2 # I, Ian Kelling, follow the GNU license recommendations at
3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
4 # recommend that small programs, < 300 lines, be licensed under the
5 # Apache License 2.0. This file contains or is part of one or more small
6 # programs. If a small program grows beyond 300 lines, I plan to switch
9 # Copyright 2024 Ian Kelling
11 # Licensed under the Apache License, Version 2.0 (the "License");
12 # you may not use this file except in compliance with the License.
13 # You may obtain a copy of the License at
15 # http://www.apache.org/licenses/LICENSE-2.0
17 # Unless required by applicable law or agreed to in writing, software
18 # distributed under the License is distributed on an "AS IS" BASIS,
19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 # See the License for the specific language governing permissions and
21 # limitations under the License.
23 # this gets sourced. shebang is just for file mode detection
25 # Use source ~/.bashrc instead of doing bash -l when running a script
26 # so this can set extdebug and avoid the bash debugger.
29 if [[ -s /a
/bin
/bash-bear-trap
/bash-bear
]]; then
30 # shellcheck source=/a/bin/bash-bear-trap/bash-bear
31 source /a
/bin
/bash-bear-trap
/bash-bear
32 # wtf, shellcheck doesn't allow disabling warnings in elifs
34 # bleh shellcheck can't handle disabling in an elif, so nesting this if.
35 # shellcheck disable=SC2154 # set in .bashrc
36 if [[ -s $bashrc_dir/bash-bear
]]; then
37 # shellcheck source=/a/bin/bash-bear-trap/bash-bear
38 source $bashrc_dir/bash-bear
42 # In t8, it runs clear_console for login shells by default. I don't want
43 # my console cleared. And linux ttys get cleared without this.
44 if shopt login_shell
>/dev
/null
&& [[ -e ~
/.bash_logout
]]; then
48 # if [[ -s /usr/share/bash-completion/completions/git ]]; then
49 # source /usr/share/bash-completion/completions/git
51 # if [[ -s /usr/share/bash-completion/completions/gitk ]]; then
52 # source /usr/share/bash-completion/completions/gitk
55 # for testing error catching:
71 # remove all aliases. aliases provided by the system tend to get in the way,
72 # for example, error happens if I try to define a function the same name as an alias
75 # remove gnome keyring warning messages
76 # there is probably a more proper way, but I didnt find any easily on google
77 # now using xfce+xmonad instead of vanilla xmonad, so disabling this
78 #unset GNOME_KEYRING_CONTROL
80 # use extra globing features.
82 # include .files when globbing, but ignore files name . and ..
83 # setting this also sets dotglob.
84 export GLOBIGNORE
="*/.:*/.."
86 # Useful info. see man bash.
90 # broken with bash_completion package. Saw a bug for this once. dont anymore.
91 # still broken in wheezy
92 # still buggered in latest stable from the web, version 2.1
93 # perhaps its fixed in newer git version, which fails to make for me
94 # this note is from 6-2014.
95 # still broken in flidas.
98 # make tab on an empty line do nothing
99 shopt -s no_empty_cmd_completion
101 # fix spelling errors for cd, only in interactive shell
103 # append history instead of overwritting it
105 # for compatibility, per gentoo/debian bashrc
106 shopt -s checkwinsize
107 # attempt to save multiline single commands as single history entries.
114 if [[ $LC_INSIDE_EMACS ]]; then
115 # EMACS is used by bash on startup, but we dont need it anymore.
116 # plus I hit a bug in a makefile which inherited it
118 export LC_INSIDE_EMACS
121 # scp completion does not work, but this doesnt fix it. todo, figure this out
122 #complete -r scp &> /dev/null
123 # todo, remote file completion fails, figure out how to turn it off
124 export NODE_DISABLE_COLORS
=1
125 # This gets rid of ugly terminal escape chars in node repl
126 # sometime, Id like to have completion working in emacs shell for node
127 # the offending chars can be found in lib/readline.js,
128 # things that do like:
129 # stream.write('\x1b[' + (x + 1) + 'G');
130 # We can remove them and keep readline, for example by doing this
132 #!/usr/bin/env nodejs
133 # var readline = require('readline');
134 # readline.cursorTo = function(a,b,c) {};
135 # readline.clearScreenDown = function(a) {};
136 # const repl = require('repl');
137 # var replServer = repl.start('');
139 # no prompt, or else readline complete seems to be confused, based
140 # on our column being different? node probably needs to send
141 # different kind of escape sequence that is not ugly. Anyways,
142 # completion doesnt work yet even with the ugly prompt, so whatever
144 export NODE_NO_READLINE
=1
148 export SSH_CONFIG_FILE_OVERRIDE
=/root
/.ssh
/confighome
152 # emacs has a different default search path than the info command. This
153 # adds the info defaults to emacs. This is commented because after
154 # various upgrades this is no longer a problem: for the directories that
155 # exist on my system, emacs already includes the ones that info
158 # but not the reverse, because I dun
159 # care much about the cli. The search path is only on the cli if you run
160 # "info xxx", or in emacs if you run '(info xxx)', so not that
161 # important and i don't bother fixing it.
163 # # info info says this path is what was compiled, and its not documented
164 # # anywhere. Through source grepping, i found it in files.h of the info
165 # # source in trisquel flidas.
167 # # Trailing : means for emacs to add its own stuff on to the end.
169 # # A problem with this is that directories which are not readable breaks info. And of course, this hard coding is not nice.
170 # # I removed PATH from the start, because I've never seen an info file in PATH. And removed ".", because I can just specify the full file name in that case.
172 # # https://raw.githubusercontent.com/debian-tex/texinfo/master/info/filesys.h
175 # # note: to split up the var like this, do:
176 # # IFS=:; printf '%s\n' $INFOPATH
181 # /usr/local/lib/info
183 # /usr/local/gnu/info
184 # /usr/local/gnu/lib/info
189 # /usr/share/lib/info
190 # /usr/local/share/info
191 # /usr/local/share/lib/info
192 # /usr/gnu/lib/emacs/info
193 # /usr/local/gnu/lib/emacs/info
194 # /usr/local/lib/emacs/info
195 # /usr/local/emacs/info
198 # for d in ${dirs[@]}; do
199 # if [[ -r $d ]]; then
200 # INFOPATH="$d:$INFOPATH"
206 # note: guix bash config does this automatically.
207 if [[ $INFOPATH != *: ]]; then
208 INFOPATH
="$INFOPATH:"
211 # info parameter expansion
215 # / search, {, }: next/prev match
216 # ctrl/alt-v scroll forward/backward within this node
217 # l: go to previous node
220 info bash
'Basic Shell Features' 'Shell Expansions' 'Shell Parameter Expansion'
224 # for openwrt system that has no stty, this is easier than
225 # guarding every time i use it.
226 if ! type -p stty
>/dev
/null
; then
232 if [[ $
- == *i
* ]]; then
233 # for readline-complete.el
234 if [[ $LC_INSIDE_EMACS ]]; then
235 # all for readline-complete.el
237 bind 'set horizontal-scroll-mode on'
238 bind 'set print-completions-horizontally on'
239 bind '"\C-i": self-insert'
243 if [[ $TERM != dumb
]] && test -t 1; then
247 if [[ $KONSOLE_PROFILE_NAME ]]; then
251 # todo: not sure this works in sakura
253 #bind "\C-w": kill-region
254 # sakura == xterm-256color
256 if [[ $TERM == xterm
* ]]; then
257 # control + arrow keys. for other terminals, see http://unix.stackexchange.com/questions/10806/how-to-change-previous-next-word-shortcut-in-bash
258 bind '"\e[1;5C": shell-forward-word' 2>/dev
/null
259 bind '"\e[1;5D": shell-backward-word' 2>/dev
/null
261 # make ctrl-backspace work. for konsole, i fixed it through
262 # /home/iank/.local/share/konsole/default.keytab
264 bind '"\eOc": shell-forward-word'
265 bind '"\eOd": shell-backward-word'
267 # i cant remember why i did this, probably to free up some keys to bind
268 # to other things in bash.
269 # other than C-c and C-z, the rest defined by stty -a are, at least in
270 # gnome-terminal, overridden by bash, or disabled by the system
271 stty lnext undef stop undef start undef
276 export BC_LINE_LENGTH
=0
279 export PROFILE_TASKS_TASK_OUTPUT_LIMIT
=100
281 # note, if I use a machine I dont want files readable by all users, set
282 # umask 077 # If fewer than 4 digits are entered, leading zeros are assumed
284 # i for insensitive. the rest from
285 # X means dont remove the current screenworth of output upon exit
286 # R means to show colors n things
287 # a useful flag is -F aka --quit-if-one-screen
289 export SYSTEMD_LESS
=$LESS
292 export NNN_COLORS
=2136
294 export SL_FILES_DIR
=/b
/ds
/sl
/.iank
295 export SL_INFO_DIR
=/p
/sshinfo
300 # this is adapted from things printed to term after install
301 # pyenv. commented for now since I'm not actually using pyenv.
303 # export PYENV_ROOT="$HOME/.pyenv"
304 # command -v pyenv &>/dev/null || export PATH="$PYENV_ROOT/bin:$PATH"
305 # command -v pyenv &>/dev/null && eval "$(pyenv init -)"
308 # output showed this example for pyenv-virtualenv, which i have no idea
309 # what it is, but leaving it as a comment in case I end up doing python
312 #eval "$(pyenv virtualenv-init -)"
313 ### end begin pyenv ###
319 if [[ -s $bashrc_dir/path-add-function
]]; then
320 source $bashrc_dir/path-add-function
321 if [[ $SSH_CLIENT ]]; then
322 if grep -qF /home
/iank
/.iank
/e
/e
/etc
/exports
&>/dev
/null
; then
323 export EMACSDIR
=/home
/iank
/.iank
/e
/e
329 # if someone exported $SOE (stop on error), catch errors.
331 # Note, on debian this results in the following warning when in ssh,
332 # hich I haven't figured out how to fix. It doesn't happen if we source
333 # after the shell has started
335 # bash: /usr/share/bashdb/bashdb-main.inc: No such file or directory
336 # bash: warning: cannot start debugger; debugging mode disabled
338 if [[ -e /a
/bin
/bash-bear-trap
/bash-bear
]]; then
339 source /a
/bin
/bash-bear-trap
/bash-bear
344 path-add
--ifexists /usr
/local
/go
/bin
352 if [[ -s $path ]]; then
353 # shellcheck disable=SC1090 # this is dynamic, shellcheck can't follow it.
355 elif [[ -s $bashrc_dir/$file ]]; then
356 # shellcheck disable=SC1090 # this is dynamic, shellcheck can't follow it.
357 source $bashrc_dir/$file
362 mysrc
/a
/bin
/small-misc-bash
/ll-function
363 mysrc
/a
/bin
/distro-functions
/src
/package-manager-abstractions
365 # things to remember:
366 # ALT-C - cd into the selected directory
367 # CTRL-T - Paste the selected file path into the command line
369 # good guide to some of its basic features is the readme file
370 # https://github.com/junegunn/fzf
372 # if [[ -s /usr/share/doc/fzf/examples/key-bindings.bash ]]; then
373 # source /usr/share/doc/fzf/examples/key-bindings.bash
379 # temporary functions
381 m
"${@//spring/fall}"
384 e
"${@//spring/fall}"
388 ### begin FSF section ###
390 # Comments before functions are meant to be good useful
391 # documentation. If they fail at that, please improve them or send Ian a
394 ## copy bash completion
396 # It copies how the bash completion works from one command to other
397 # commands. Generally just use within a .bashrc.
399 # Usage: ORIGINAL_COMMAND TARGET_COMMAND...
405 if ! c
=$
(complete
-p $src 2>/dev
/null
); then
406 _completion_loader
$src &>/dev
/null ||
:
407 c
=$
(complete
-p $src 2>/dev
/null
) ||
return 0
415 ## BEGIN functions to change directory better than cd ##
419 # c: acts like cd, but stores directory history: you could alias to cd if you wanted.
422 # cl: list recent directories and optionally choose one.
424 # Finer details you may want to skip:
426 # bl: print the list of back and forward directories.
428 # We keep 2 stacks of directories, forward and back. Unlike with a web
429 # browser, the forward stack is not erased when going somewhere new.
431 # Recent directories are stored in ~/.cdirs.
433 declare -a _dir_forward _dir_back
435 # normally, the top of _dir_back is our current dir. if it isn't,
436 # put it on there, except we don't want to do that when we
437 # just launched a shell
438 if [[ $OLDPWD ]]; then
439 if (( ${#_dir_back[@]} == 0 )) ||
[[ ${_dir_back[-1]} != "$PWD" ]]; then
444 if (( ${#_dir_back[@]} == 0 )) ||
[[ ${_dir_back[-1]} != "$PWD" ]]; then
447 echo "$PWD" >> ~
/.cdirs
454 if (( ${#_dir_back[@]} == 0 )); then
455 echo "nothing left to go back to" >&2
458 top_back
="${_dir_back[-1]}"
460 if [[ $top_back == "$PWD" ]] && (( ${#_dir_back[@]} == 1 )); then
461 echo "already on last back entry" >&2
466 if [[ $top_back == "$PWD" ]]; then
467 # add to dirf if not already there
468 if (( ${#_dir_forward[@]} == 0 )) ||
[[ ${_dir_forward[-1]} != "$top_back" ]]; then
469 _dir_forward
+=("$top_back")
471 unset "_dir_back[-1]"
472 command cd "${_dir_back[-1]}"
474 if (( ${#_dir_forward[@]} == 0 )) ||
[[ ${_dir_forward[-1]} != "$PWD" ]]; then
475 _dir_forward
+=("$PWD")
477 command cd "$top_back"
480 # Interesting feature, not sure I want it.
481 # give us a peek at what is next in the list
482 # if (( ${#_dir_back[@]} >= 2 )); then
483 # printf "%s\n" "${_dir_back[-2]}"
487 # c/b/f Implementation notes:
489 # The top of the back is $PWD
490 # as long as the last directory change was due to c,b,or cl.
492 # Example of stack changes:
518 if (( ${#_dir_forward[@]} == 0 )); then
519 echo "no forward dir left" >&2
522 top_forward
="${_dir_forward[-1]}"
523 unset "_dir_forward[-1]"
526 # give us a peek at what is next in the list
527 # if (( ${#_dir_forward[@]} )); then
528 # printf "%s\n" "${_dir_forward[-1]}"
533 local i line input start
534 local -A buttondirs alines
535 local -a buttons
dirs lines
536 buttons
=( {a..z
} {2.
.9} )
537 if [[ ! -s ~
/.cdirs
]]; then
538 echo nothing
in ~
/.cdirs
544 mapfile
-t lines
<~
/.cdirs
545 start
=$
(( ${#lines[@]} - 1 ))
547 # we have ~33 buttons as of this writing, so lets
548 # prune down the history every once in a while.
549 if (( start
> 500 )); then
550 tac ~
/.cdirs |
awk '!seen[$0]++' |
head -n 200 |
tac | sponge ~
/.cdirs ||
[[ $?
== 141 ]]
553 for (( j
=start
; j
>= 0; j--
)); do
555 if [[ ! $line ||
${alines[$line]} ||
! -d "$line" ||
$line == "$PWD" || line
== "$HOME" ]]; then
559 buttondirs
[${buttons[i]}]="$line"
560 printf "%s %s\n" ${buttons[i]} "$line"
561 # the LINES bit is for when we have a short terminal, just dont print all
562 # the directories. alternative would be to do something like less the list.
563 if (( i
== ${#buttons[@]} - 1 )) ||
{ [[ $LINES ]] && (( i
== LINES
- 3 )); }; then
569 if (( i
== 0 )); then
570 echo "no dirs in ~/.cdirs"
574 if [[ $input != $
'\n' ]]; then
575 c
"${buttondirs[$input]}"
578 # bl = back list. lists the back and forward directories. i tend to
579 # forget this exists and use cl instead.
583 start
=$
(( ${#_dir_back[@]} - 1 ))
585 # cleanup possible repeating of pwd
586 if (( start
>= 0 )) && [[ ${_dir_back[$start]} == "$PWD" ]]; then
587 start
=$
(( start
- 1 ))
590 if (( start
>= 0 )); then
591 for (( i
=start
; i
>= 0 ; i--
)); do
592 printf "%s %s\n" $j ${_dir_back[i]}
594 if (( j
>= max
)); then
601 start
=$
(( ${#_dir_forward[@]} - 1 ))
603 # cleanup possible repeating of pwd
604 if (( start
>= 0 )) && [[ ${_dir_forward[$start]} == "$PWD" ]]; then
605 start
=$
(( start
- 1 ))
607 if (( start
< 0 )); then
612 for (( i
=start
; i
>= 0 ; i--
)); do
613 printf "%s %s\n" $j ${_dir_forward[i]}
615 if (( j
>= max
)); then
620 # like running cl <enter> a <enter>
623 mapfile
-t lines
<~
/.cdirs
624 start
=$
(( ${#lines[@]} - 1 ))
625 for (( j
=start
; j
>= 0; j--
)); do
627 if [[ ! $line ||
! -d "$line" ||
$line == "$PWD" || line
== "$HOME" ]]; then
635 ## END functions to change directory better than cd ##
637 # pee do. run args as a command with output copied to syslog.
639 # Usage: pd [-t TAG] COMMAND...
641 # -t TAG Override the tag in the syslog. The default is COMMAND with
642 # any path part is removed, eg. for /bin/cat the tag is cat.
644 # You can view the log via "journalctl -t TAG"
650 -t) tag
="$2"; shift 2 ;;
652 echo "PWD=$PWD command: $*" | logger
-t $tag
653 "$@" |
& pee
cat "logger -t $tag" || ret
=$?
654 echo "exited with status=$ret" | pee
cat "logger -t $tag"
655 # this avoids any err-catch
656 (( ret
== 0 )) ||
return $ret
660 # jdo = journal do. Run command as transient systemd service, tailing
661 # its output in the journal until it completes.
663 # Usage: jdo COMMAND...
665 # Compared to pd: commands recognize this is a non-interactive shell.
666 # The service is unaffected if our ssh connection dies, no need to run
669 # Note: The last few lines of any existing entries for a unit by that
670 # name will be output first, and there will be a few second delay at the
671 # start of the command, and a second or so at the end.
673 # Note: Functions and aliases obviously won't work, we resolve the
676 # Note: requires running as root.
678 local cmd cmd_name jr_pid ret
682 if [[ $EUID != 0 ]]; then
683 echo "jdo: error: rerun as root"
687 if [[ $cmd != /* ]]; then
688 cmd
=$
(type -P "$cmd")
691 journalctl
-qn2 -f -u "$cmd_name" &
692 # Trial and error of time needed to avoid missing initial lines.
693 # .5 was not reliable. 1 was not reliable. 2 was not reliable
696 systemd-run
--unit "$cmd_name" --wait --collect "$cmd" "$@" || ret
=$?
697 # The sleep lets the journal output its last line
698 # before the prompt comes up.
700 kill $jr_pid &>/dev
/null ||
:
703 # this avoids any err-catch
704 (( ret
== 0 )) ||
return $ret
708 # standard date as used in logs
713 # date in log appropriate format
720 command ts
"%F %T" "$@"
723 # ts log. log command to log file.
724 # usage: tsl LOG_PATH_PREFIX COMMAND...
725 # example: tsl /root/command
726 # log file will be like /root/command-2024-02-10.log
728 local log_prefix log_path appending ret
729 if (( $# < 2 )); then
730 echo "tsl: error: expected >= 2 arguments, got $#" >&2
734 if [[ $log_prefix == */* && ! -d ${log_prefix%*/} ]]; then
735 echo "tsl: error: expected directory at ${log_prefix%*/}" >&2
738 log_path
=$log_prefix-$
(date +%Y-
%m-
%d
).log
740 if [[ -s $log_path ]]; then
744 printf "%s\n" "CWD: $PWD, log: $log_path, running $*" | ts
"%F %T" |
tee -a "$log_path"
746 "$@" |
& ts
"%F %T" |
tee -a "$log_path" || ret
=$?
747 printf "%s\n" "exit code $ret from command: $*" | ts
"%F %T" |
tee -a "$log_path"
749 printf "%s\n" "note: this log file contains logs before those of previous command" | ts
"%F %T" |
tee -a "$log_path"
755 mapfile
-t cmds
<<'EOF'
756 tail -n +1 /proc/mdstat /etc/mdadm/mdadm.conf /etc/fstab /etc/crypttab
759 ls -la /dev/disk/by-id
762 for cmd
in "${cmds[@]}"; do
779 local ip port xoffset
780 read -r ip port xoffset
<<<"$@"
784 if [[ ! $port ]]; then
789 # By default, plugged in screen goes to the right side, so we need an
790 # offset that is the same as the laptop's x resolution. If we are in
791 # mirror mode, then we don't need an offset.
792 if [[ ! $xoffset ]]; then
794 laptop_x
=$
(xrandr |
awk '$1 == "LVDS-1" {print $4}' |
sed 's/x.*//') ||
{ sleep 1; continue; }
795 total_x
=$
(xdpyinfo|
awk '$1 == "dimensions:" {print $2}' |
sed 's/x.*//') ||
{ sleep 1; continue; }
796 screen2_res
=$
(xrandr |
awk '$2 == "connected" && $1 != "LVDS-1" { print $3 }' |
sed 's/+.*//')
797 if (( laptop_x
< total_x
)); then
802 m ffmpeg
-probesize 50M
-thread_queue_size 50 \
803 -video_size $screen2_res -f x11grab
-framerate 30 -i :0.0+$xoffset.0 \
804 -vcodec libx264
-g 1 -tune zerolatency
-preset ultrafast
-pix_fmt yuv420p
-x264-params repeat-headers
=1 \
805 -f rtp_mpegts rtp
://$ip:$port ||
:
813 if [[ ! $DISPLAY ]]; then
816 if [[ ! $XAUTHORITY ]]; then
817 export XAUTHORITY
=$HOME/.Xauthority
826 ....
() { c ..
/..
/..
; }
827 .....
() { c ..
/..
/..
/..
; }
828 ......
() { c ..
/..
/..
/..
/..
; }
833 path
=$
(readlink
-e "$f")
834 echo "cat >$path <<'EOF'"
841 # file cut copy and paste, like the text buffers :)
842 # I havnt tested these.
843 _fbufferinit
() { # internal use
844 ! [[ $my_f_tempdir ]] && my_f_tempdir
="$(mktemp -d)"
845 rm -rf "${my_f_tempdir:?}"/*
849 cp "$@" "$my_f_tempdir"/
853 mv "$@" "$my_f_tempdir"/
855 fpst
() { # file paste
856 [[ $2 ]] && { echo too many arguments
; return 1; }
858 cp "$my_f_tempdir"/* "$target"
862 local host ip port
file key tmp
863 read -r host ip port
< <(timeout
-s 9 2 ssh -oBatchMode=yes -oControlMaster=no
-oControlPath=/ -v $1 |
& sed -rn "s/debug1: Connecting to ([^ ]+) \[([^\]*)] port ([0-9]+).*/\1 \2 \3/p" ||
: )
864 file=$
(readlink
-f ~
/.ssh
/known_hosts
)
866 echo "khfix: ssh failed"
869 if [[ $port != 22 ]]; then
870 ip_entry
="[$ip]:$port"
871 host_entry
="[$host]:$port"
876 if [[ $host != "$ip" ]]; then
878 ssh-keygen
-F "$host_entry" -f $file >$tmp ||
[[ $?
== 1 ]] # 1 when it doesnt exist in the file
879 if [[ -s $tmp ]]; then
880 key
=$
(sed -r 's/^.*([^ ]+ +[^ ]+) *$/\1/' $tmp)
884 grep -Fv "$key" "$file" | sponge
"$file"
889 ssh-keygen
-F "$ip_entry" -f $file >$tmp ||
[[ $?
== 1 ]]
890 if [[ -s $tmp ]]; then
891 key
=$
(sed -r 's/^.*([^ ]+ +[^ ]+) *$/\1/' $tmp)
895 grep -Fv "$key" "$file" | sponge
"$file"
897 ll ~
/.ssh
/known_hosts
899 khfix-r
() { # known hosts fix without syncing to root user
900 _khfix-common
"$@" ||
return 1
904 _khfix-common
"$@" ||
return 1
909 # copy path into clipboard
912 x
=$
(readlink
-nf "${1:-$PWD}")
913 # yes, its kinda dumb that xclip/xsel cant do this in one invocation.
914 # And, summarizing this:
915 # https://askubuntu.com/questions/705620/xclip-vs-xsel
916 # xclip has a few more options. xclip has a bug in tmux / forwarded x sessions.
920 # clipboard a string (into selection & clipboard buffer)
922 # yes, its kinda dumb that xclip/xsel cant do this in one invocation.
923 # And, summarizing this:
924 # https://askubuntu.com/questions/705620/xclip-vs-xsel
925 # xclip has a few more options. xclip has a bug in tmux / forwarded x sessions.
926 printf "%s" "$*" | xclip
-selection clipboard
927 printf "%s" "$*" | xclip
930 # a1 = awk {print $1}
931 for field
in {1.
.20}; do
932 eval a
$field"() { awk '{print \$$field}'; }"
935 for num
in {1.
.9}; do
936 eval h
$num"() { head -n$num || [[ \$? == 141 ]]; }"
941 # shellcheck disable=SC2046 disable=SC2001 disable=SC2183 # hacks, expected
942 printf '%d.%d.%d.%d\n' $
(echo $1 |
sed 's/../0x& /g')
946 local f out outdir
in fname origdir skip1
950 while [[ $1 == -* ]]; do
952 # if we got interrupted after 1st phase
964 # first pass only uses about 1 cpu, so run in parallel
968 if [[ $f == /* ]]; then
973 out
="$origdir/$outdir/$fname"
974 mkdir
-p /tmp
/vp
9/$fname
976 if ! $skip1 && [[ ! -s ffmpeg2pass-0.log
]]; then
977 # -nostdin or else wait causes ffmpeg to go into stopped state. dunno why, random stackoverflow answer.
978 m ffmpeg
-nostdin -hide_banner -loglevel error
-i $in -g 192 -vcodec libvpx-vp9
-vf scale
=-1:720 -max_muxing_queue_size 9999 -b:v
750K
-pass 1 -an -f null
/dev
/null
980 if [[ -e $out ]]; then rm -f $out; fi
981 m ffmpeg
-nostdin -hide_banner -loglevel error
-y -i $in -g 192 -vcodec libvpx-vp9
-tile-rows 2 -vf scale
=-1:720 -max_muxing_queue_size 9999 -b:v
750K
-pass 2 -c:a libvorbis
-qscale:a
5 $out
988 utcl
() { # utc 24 hour time to local hour 24 hour time
989 echo "print( ($1 $(date +%z | sed -r 's/..$//;s/^(-?)0*/\1/')) % 24)"|python3
997 # for running in a fai rescue. iank specific.
999 d
=vgata-Samsung_SSD_850_EVO_2TB_S2RLNX0J502123D
1000 for f
in $d vgata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V
; do
1001 cryptsetup luksOpen
--key-file /p
/dev
/$f/root crypt-
$f-root
1002 cryptsetup luksOpen
--key-file /p
/dev
/$f/o crypt-
$f-o
1004 mount
-o subvol
=root_trisquelaramo
/dev
/mapper
/crypt-
$d-root /mnt
1005 mount
-o subvol
=a
/dev
/mapper
/crypt-
$d-root /mnt
/a
1006 mount
-o subvol
=o
/dev
/mapper
/crypt-
$d-o /mnt
/o
1007 mount
-o subvol
=boot_trisquelaramo
/dev
/sda2
/mnt
/boot
1015 c4
() { c
/var
/log
/exim4
; }
1017 caa
() { git commit
--amend --no-edit -a; }
1030 find -L "$@" -type f
-not \
( -name .svn
-prune -o -name .git
-prune \
1031 -o -name .hg
-prune -o -name .editor-backups
-prune \
1032 -o -name .undo-tree-history
-prune \
) -printf '%h\0%d\0%p\n' |
sort -t '\0' -n \
1033 |
awk -F '\0' '{print $3}' 2>/dev
/null |
while read -r file; do
1035 printf "%s\n" "$file"
1042 calc
() { echo "scale=3; $*" |
bc -l; }
1043 # no having to type quotes, but also no command history:
1047 echo "scale=3; $x" |
bc -l
1058 ccat
() { # config cat. see a config without extra lines.
1059 sed -r '/^[[:space:]]*([;#]|--|\/\/|$)/d' "$@"
1065 # dev/pts needed for pacman signature check
1066 for d
in dev proc sys dev
/pts
; do
1068 if ! mountpoint
$d &>/dev
/null
; then
1069 m s mount
-o bind /$d $d
1075 # dev/pts needed for pacman signature check
1076 for d
in dev
/pts dev proc sys
; do
1078 if mountpoint
$d &>/dev
/null
; then
1086 # join options which are continued to multiples lines onto one line
1088 while IFS
= read -r line
; do
1089 # remove leading spaces/tabs. assumes extglob
1090 if [[ $line == "[ ]*" ]]; then
1091 line
="${line##+( )}"
1096 elif [[ $line == *=* ]]; then
1097 echo "$pastline" >> "$2"
1100 pastline
="$pastline $line"
1102 done < <(grep -vE '^([ \t]*#|^[ \t]*$)' "$1")
1103 echo "$pastline" >> "$2"
1107 # diff config files,
1108 # setup for format of postfix, eg:
1111 local pastline unified f1 f2
1115 _cdiff-prep
"$1" "$f1"
1116 _cdiff-prep
"$2" "$f2"
1117 cat "$f1" "$f2" |
grep -Po '^[^=]+=' |
sort |
uniq > "$unified"
1118 while IFS
= read -r line
; do
1119 # the default bright red / blue doesnt work in emacs shell
1120 dwdiff
-cblue,red
-A best
-d " ," <(grep "^$line" "$f1" ||
echo ) <(grep "^$line" "$f2" ||
echo ) | colordiff
1126 local start
=$SECONDS
1128 # shellcheck disable=SC2030
1129 inotifywait
-m "$dir" -e create
-e moved_to | \
1130 while read -r filedir _
file; do
1133 calc $
((SECONDS
- start
)) / 60
1140 s chown
-R $USER:$USER "$@"
1143 # shellcheck disable=SC2032
1145 # makes it so chown -R symlink affects the symlink and its target.
1146 if [[ $1 == -R ]]; then
1148 command chown
-h "$@"
1149 command chown
-R "$@"
1160 d
() { builtin bg "$@"; }
1163 # f would be more natural, but i already am using it for something
1164 z
() { builtin fg "$@"; }
1167 x
() { builtin kill %%; }
1170 diff --strip-trailing-cr -w "$@" # diff content
1178 safe_rename
"$x" "$y"
1183 # usage: dfp MOUNTPOINT [SECOND_INTERVAL]
1184 # SECOND_INTERVAL defaults to 90
1187 local a b mp interval
1190 if [[ ! $mp ]]; then
1191 echo "dfp: error, missing 1st arg" >&2
1195 a
=$
(df
--output=used
$mp |
tail -n1)
1197 b
=$
(df
--output=used
$mp |
tail -n1)
1198 printf "used mib: %'d mib/min: %s\n" $
(( b
/1000 )) $
(( (b-a
) / (interval
* 1000 / 60 ) ))
1202 # get ipv4 ip from HOST. or if it is already a number, return that
1210 getent ahostsv4
"$host" |
awk '{ print $1 }' |
head -n1
1216 command dig +nostats
+nocmd
"$@"
1218 # Output with sections sorted, and removal of query id, so 2 dig outputs can be diffed.
1222 dig +nordflag
"$@" |
sed -r 's/^(;; ->>HEADER<<-.*), id: .*/\1/' |
while read -r l
; do
1223 if [[ $l == [^\
;]* ]]; then
1227 printf "%s" "$sec" |
sort
1235 # compare digs to the 2 servers
1236 # usage: digdiff @server1 @server2 DIG_ARGS
1237 # note: only the soa master nameserver will respond with
1238 # ra "recursive answer" flag. That difference is meaningless afaik.
1245 digsort
$s1 "$@" |
tee /tmp
/digdiff
1246 diff -u /tmp
/digdiff
<(digsort
$s2 "$@")
1249 # date in a format i like reading
1251 date "+%A, %B %d, %r" "$@"
1256 # date with all digits in a format i like
1260 ccomp
date dt dtr dtd
1262 dus
() { # du, sorted, default arg of
1263 du
-sh ${@:-*} |
sort -h
1268 e
() { printf "%s\n" "$*"; }
1276 printf "%qEOL\n" "${arg}"
1277 printf "%s" "${arg}" |
& hexdump -C
1281 # echo variables. print var including escapes, etc, like xxd for variable
1287 if [[ -v $arg ]]; then
1288 printf "%qEOL\n" "${!arg}"
1289 printf "%s" "${!arg}" |
& hexdump -C
1291 echo arg
$arg is
unset
1297 [[ ${#@} == 2 ]] ||
{ echo "error: ediff requires 2 arguments"; return 1; }
1298 emacs
--eval "(ediff-files \"$1\" \"$2\")"
1302 # shellcheck disable=SC2120 # we expect to pass arguments in use outside this file
1305 tail -F /var
/log
/exim
4/mainlog
/var
/log
/exim
4/*main
/var
/log
/exim
4/paniclog
/var
/log
/exim
4/*panic
-n 200 "$@"
1309 tail -F /var
/log
/exim
4/mainlog
-n 200 "$@"
1312 tail -F /var
/log
/exim
4/mymain
-n 200 "$@"
1314 ccomp
tail etail etail2
1316 # ran into this online, trying it out
1318 ( "$@" &>/dev
/null
& disown )
1322 ssh "$@" cat .ssh
/authorized_keys
{,2}
1326 # print exim old pids
1328 local configtime pid piduptime now daemonpid
1329 printf -v now
'%(%s)T' -1
1330 configtime
=$
(stat
-c%Y
/var
/lib
/exim
4/config.autogenerated
)
1331 if [[ -s /run
/exim
4/exim.pid
]]; then
1332 daemonpid
=$
(cat /run
/exim
4/exim.pid
)
1334 for pid
in $
(pgrep
-f '^/usr/sbin/exim4( |$)'); do
1335 # the daemonpid gets reexeced on HUP (service reloads), keeping its same old timestamp
1336 if [[ $pid == "$daemonpid" ]]; then
1339 piduptime
=$
(awk -v ticks
="$(getconf CLK_TCK)" 'NR==1 { now=$1; next } END { printf "%9.0f\n", now - ($20/ticks) }' /proc
/uptime RS
=')' /proc
/$pid/stat
) ||
: # sometimes pids disappear pretty fast
1340 if (( configtime
> now
- piduptime
)); then
1346 # exim tail but only watch lines from new pids
1349 for pid
in $
(eoldpids
); do
1352 if [[ $oldpids ]]; then
1353 etail |
awk '$3 !~ /^\[('"${oldpids%|}"')\]$/'
1358 # exim watch as old pids go away
1360 local configtime pid piduptime now tmpstr
1366 mapfile
-t oldpids
<<<"$tmpstr"
1367 if (( ! ${#oldpids[@]} )); then
1370 # print the date every 20 iterations
1371 if (( ! count
% 20 )); then
1375 ps
-f -p "${oldpids[*]}"
1381 less /var
/log
/exim
4/mainlog
1385 exiqgrep
-ir.\
* -o 60 |
while read -r i
; do
1388 hlm exigrep
$i /var
/log
/exim
4/mainlog |
cat ||
:
1392 # other ways to get the list of message ids:
1393 # exim -bp | awk 'NF == 4 {print $3}'
1394 # # this is slower 160ms, vs 60.
1396 exiqgrep
-ir.\
* |
xargs exim
-Mrm
1401 mkdir
-p /tmp
/edev
/etc
1402 cp -ra /etc
/exim4
/tmp
/edev
/etc
1403 cp -ra /etc
/alias* /tmp
/edev
/etc
1404 find /tmp
/edev
/etc
/exim4
-type f
-execdir sed -i "s,/etc/,/tmp/edev/etc/,g" '{}' +
1408 update-exim4.conf
-d /tmp
/edev
/etc
/exim4
-o /tmp
/edev
/e.conf
1412 # show important information about incoming mail in the exim log
1414 sed -rn '/testignore|jtuttle|eximbackup/!s/^[^ ]+ ([^ ]+) [^ ]+ [^ ]+ <= ([^ ]+).*T="(.*)" from (<[^ ]+> .*$)/\1 \4\n \3/p' <${1:-/var/log/exim4/mainlog}
1417 # 2nd line is message-id:
1419 sed -rn '/testignore|jtuttle|eximbackup/!s/^[^ ]+ ([^ ]+) [^ ]+ [^ ]+ <= ([^ ]+).* id=([^ ]+) T="(.*)" from (<[^ ]+> .*$)/\1 \5\n \3\n \4/p' <${1:-/var/log/exim4/mainlog}
1422 tail -F /var
/log
/exim
4/mainlog |
sed -rn '/testignore|jtuttle|eximbackup/!s/^[^ ]+ ([^ ]+) [^ ]+ [^ ]+ <= ([^ ]+).*T="(.*)" from (<[^ ]+> .*$)/\1 \4\n \3/p'
1429 # find array. make an array of file names found by find into $x
1430 # argument: find arguments
1431 # return: find results in an array $x
1432 while read -rd ''; do
1434 done < <(find "$@" -print0);
1437 # shellcheck disable=SC2120
1438 faf
() { # find all files. use -L to follow symlinks
1439 find "$@" -not \
( -name .svn
-prune -o -name .git
-prune \
1440 -o -name .hg
-prune -o -name .editor-backups
-prune \
1441 -o -name .undo-tree-history
-prune \
) -type f
2>/dev
/null
1444 # usage ffconcat FILES_TO_CONCAT OUTPUT_FILE
1448 printf "file '%s'\n" "$1" >$tmpf
1449 while (( $# > 1 )); do
1451 printf "file '%s'\n" "$1" >>$tmpf
1453 # https://trac.ffmpeg.org/wiki/Concatenate
1454 ffmpeg
-f concat
-safe 0 -i $tmpf -c copy
"$1"
1459 if (( $# == 0 )); then
1460 echo ffremux error expected args
>&2
1465 tmpf
=$tmpd/"${f##*/}"
1466 ffmpeg
-i "$f" -c:v copy
-c:a copy
$tmpf
1474 # absolute path of file/dir without resolving symlinks.
1476 # Most of the time, I want this where I would normally use readlink.
1477 # This is what realpath -s does in most cases, but sometimes it
1478 # actually resolves symlinks, at least when they are in /.
1480 # Note, if run on a dir, if the final component is relative, it won't
1481 # resolve that. Use the below fpd for that.
1483 # note: we could make a variation of this which
1484 # assigns to a variable name using eval, so that we don't have to do
1485 # x=$(fp somepath), which might save subshell overhead and look nice,
1486 # but I'm not going to bother.
1488 local initial_oldpwd initial_pwd dir base
1489 initial_oldpwd
="$OLDPWD"
1491 if [[ $1 == */* ]]; then
1494 # CDPATH because having it set will cause cd to possibly print output
1496 printf "%s%s\n" "$PWD" "$base"
1497 CDPATH
='' cd "$initial_pwd"
1498 OLDPWD
="$initial_oldpwd"
1500 printf "%s/%s\n" "$PWD" "$1"
1503 # full path of directory without resolving symlinks
1505 local initial_oldpwd initial_pwd dir
1506 initial_oldpwd
="$OLDPWD"
1510 printf "%s%s\n" "$PWD" "$base"
1512 OLDPWD
="$initial_oldpwd"
1519 sudo mailq |gr frozen|
awk '{print $3}' |
while read -r id
; do
1525 echo -e '\n\n##############################\n'
1526 done |
tee -a /tmp
/frozen
1530 while read -r line
; do
1531 printf '%s\n' "$line"
1532 ids
+=("$(printf '%s\n' "$line" |gr frozen|awk '{print $3}')")
1534 echo "sleeping for 2 in case you change your mind"
1536 sudo exim
-Mrm "${ids[@]}"
1540 # like -e for functions. returns on error.
1541 # at the end of the function, disable with:
1543 trap 'echo "${BASH_COMMAND:+BASH_COMMAND=\"$BASH_COMMAND\" }
1544 ${FUNCNAME:+FUNCNAME=\"$FUNCNAME\" }${LINENO:+LINENO=\"$LINENO\" }\$?=$?"
1550 local help="Usage: getdir [--help] PATH
1551 Output the directory of PATH, or just PATH if it is a directory."
1552 if [[ $1 == --help ]]; then
1556 if [[ $# -ne 1 ]]; then
1557 echo "getdir error: expected 1 argument, got $#"
1560 if [[ -d $1 ]]; then
1564 dir
="$(dirname "$1")"
1565 if [[ -d $dir ]]; then
1568 echo "getdir error: directory does not exist"
1574 git_empty_branch
() { # start an empty git branch. carefull, it deletes untracked files.
1575 [[ $# == 1 ]] ||
{ echo 'need a branch name!'; return 1;}
1577 root
=$
(gitroot
) ||
return 1 # function to set gitroot
1579 git symbolic-ref HEAD refs
/heads
/$1
1584 # shellcheck disable=SC2120
1586 local help="Usage: gitroot [--help]
1587 Print the full path to the root of the current git repo
1589 Handles being within a .git directory, unlike git rev-parse --show-toplevel,
1590 and works in older versions of git which did not have that."
1591 if [[ $1 == --help ]]; then
1596 p
=$
(git rev-parse
--git-dir) ||
{ echo "error: not in a git repo" ; return 1; }
1597 [[ $p != /* ]] && p
=$PWD
1603 local args gdb
=false
1605 if [[ $EMACSDIR ]]; then
1606 path-add
"$EMACSDIR/lib-src" "$EMACSDIR/src"
1609 if [[ $DISPLAY ]]; then
1613 if (( $# == 0 )); then
1616 # duplicate -c, but oh well
1617 if ! pgrep
-u $EUID emacsclient
; then
1618 if (( $# == 0 )) && type -p gdb
&>/dev
/null
; then
1624 if [[ $EMACSDIR ]]; then
1626 # todo: we don't have to alter HOME since emacs 29+, we can set
1627 # user-emacs-directory with the flag --init-directory
1629 # Alter the path here, otherwise the nfs mount gets triggered on the
1630 # first path lookup when emacs is not being used.
1631 # shellcheck disable=SC2098 disable=SC2097 # false positive
1632 PATH
="$EMACSDIR/lib-src:$EMACSDIR/src:$PATH" EHOME
=$HOME HOME
=$EMACSDIR m emacsclient
-a "" $args "$@"
1635 # due to a bug, we cant debug from the start unless we get a new gdb
1636 # https://sourceware.org/bugzilla/show_bug.cgi?id=24454
1637 # m gdb -ex="set follow-fork-mode child" -ex=r -ex=quit --args emacs --daemon
1638 m emacsclient
-a "" $args "$@"
1640 cd "/a/opt/emacs-$(distro-name)$(distro-num)"
1641 s gdb
-p "$(pgrep -f 'emacs --daemon')" -ex c
1644 m emacsclient
-a "" $args "$@"
1649 # g pipe. like: cmd | emacs. save cmd output to tmp file, then edit.
1655 #like cmd &> tempfile; emacs tempfile
1657 # note: a useful workflow for doing mass replace on my files:
1659 ## remove any false positives, or manually edit them. rename files if needed.
1660 # sedi 's/REGEX/REPLACEMENT/' $(gr '^/' /a/tmp/gtmp)
1665 # g command substitution.
1667 # shellcheck disable=SC2046 # i want word splitting for this hackery
1671 # force terminal version
1677 # quit will prompt if the program crashes.
1678 gdb
-ex=r
-ex=quit
--args emacs
"$@"; r
;
1682 # kill the emacs daemon
1687 grep -iIP --color=auto
"$@" ||
return $?
1689 grr
() { # grep recursive
1690 # Don't return 1 on nonmatch because this is meant to be
1691 # interactive, not in a conditional.
1692 if [[ ${#@} == 1 ]]; then
1693 grep --exclude-dir='*.emacs.d' --exclude-dir='*.git' -riIP --color=auto
"$@" . ||
[[ $?
== 1 ]]
1695 grep --exclude-dir='*.emacs.d' --exclude-dir='*.git' -riIP --color=auto
"$@" ||
[[ $?
== 1 ]]
1703 # recursive everything. search for files/dirs and lines. rs = easy chars to press
1707 find "$@" -not \
( -name .svn
-prune -o -name .git
-prune \
1708 -o -name .hg
-prune -o -name .editor-backups
-prune \
1709 -o -name .undo-tree-history
-prune \
) 2>/dev
/null |
grep -iP --color=auto
"$query"
1713 # horizontal row. used to break up output
1716 # 180 is long enough.
1717 blocks
=██████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████
1718 printf "%s\n" "$(tput setaf 5 2>/dev/null ||:)${blocks:0:${COLUMNS:-180}}$(tput sgr0 2>/dev/null||:)"
1722 local col input_len
=0
1724 input_len
=$
((input_len
+ 1 + ${#arg}))
1726 col=$
((60 - input_len
))
1727 printf "\e[1;97;41m%s" "$*"
1728 if (( col > 0 )); then
1729 # shellcheck disable=SC2046 # needed to work as intended. a better way would be like hr above.
1730 printf "\e[1;97;41m \e[0m%.0s" $
(eval echo "{1..${col}}")
1734 hlm
() { hl
"$*"; "$@"; }
1736 hrcat
() { local f
; for f
; do [[ -f $f ]] ||
continue; hr
; echo "$f"; cat "$f"; done }
1739 # github-release-dl restic/restic restic_ _linux_amd64.bz2
1741 # https://github.com/restic/restic/releases/download/v0.16.3/restic_0.16.3_linux_amd64.bz2
1742 github-release-dl
() {
1743 local github_path file_prefix file_suffix latest_prefix version redir_path
1747 if (( $# != 3 )); then
1748 echo "$0: error, expected 3 arguments" >&2
1751 redir_path
="https://github.com/$github_path/releases/latest/download/"
1752 latest_prefix
=$
(curl
-s -I "$redir_path" |
awk 'tolower($1) == "location:" {print $2}')
1753 # it has a trailing /r at the end. just kill any whitespace.
1754 latest_prefix
="${latest_prefix//[$'\t\r\n ']}"
1755 if [[ ! $latest_prefix ]]; then
1756 echo "failed to find latest path. Tried to find case insensitive 'location:' in the curl output:"
1757 m curl
-s -I "$redir_path"
1760 version
="${latest_prefix##*/}"
1761 version
="${version#v}"
1762 m wget
-- "$latest_prefix/$file_prefix$version$file_suffix"
1766 # go-github-install restic/restic restic_ _linux_amd64.bz2
1767 # go-github-install restic/rest-server rest-server_ _linux_amd64.tar.gz
1769 # common pattern among go binaries on github
1770 go-github-install
() {
1771 local tmpd targetf tmp files src
1776 tmp
="${file_prefix##*[[:alnum:]]}"
1777 targetf
="${file_prefix%"$tmp"}"
1778 echo targetf
: $targetf
1779 github-release-dl
"$@"
1781 case $file_suffix in
1789 rm -f -- "${files[@]}"
1791 # Here we detect and handle 2 cases: either we extracted a single
1792 # binary which we have to rename or a folder with a binary named
1793 # $targetf in it which is all we care about.
1794 if (( ${#files[@]} == 1 )) && [[ -f ${files[0]} ]]; then
1796 mv -- .
/* /usr
/local
/bin
/$targetf
1798 files
=(.
/*/$targetf)
1799 if [[ -f $targetf ]]; then
1801 elif [[ -f ${files[0]} ]]; then
1805 mv -- "$src" /usr
/local
/bin
1811 ## 2024: I'm using gh instead of hub, but leaving this just in case.
1812 ## I tried the github cli tool (gh) and it seems easier than
1815 ## hub predated github's 2020 official cli tool gh.
1817 ## https://raw.githubusercontent.com/cli/cli/trunk/docs/gh-vs-hub.md
1818 # get latest hub and run it
1819 # main command to use:
1820 # hub pull-request --no-edit
1821 # --no-edit means to use the first commit\'s message as the pull request message.
1822 # If that fails, try doing
1823 # hub pull-request --no-edit -b UPSTREAM_OWNER:branch
1824 # where branch is usually master. it does the pr against your current branch.
1826 # On first use, you input username/pass and it gets an oath token so you dont have to repeat
1827 # it\'s at ~/.config/hub
1829 local up uptar updir p re
1830 # example https://github.com/github/hub/releases/download/v2.14.2/hub-linux-amd64-2.14.2.tgz
1831 up
=$
(wget
-q -O- https
://api.github.com
/repos
/github
/hub
/releases
/latest | jq
-r .assets
[].browser_download_url |
grep linux-amd64
)
1833 if [[ ! $up ||
$up =~
$re ]]; then
1834 echo "failed to get good update url. got: $up"
1838 if [[ ! -e /a
/opt
/$updir ]]; then
1839 rm -rf /a
/opt
/hub-linux-amd64
*
1841 tar -C /a
/opt
-zxf /a
/opt
/$uptar
1844 if ! which hub
&>/dev
/null
; then
1845 sudo
/a
/opt
/$updir/install
1848 # save token across computers
1849 if [[ ! -L ~
/.config
/hub
]]; then
1850 if [[ -e ~
/.config
/hub
]]; then
1851 mv ~
/.config
/hub
/p
/c
/subdir_files
/.config
/
1853 if [[ -e /p
/c
/subdir_files
/.config
/hub
]]; then
1867 # cvs update -C FILE
1872 # potentially useful command translation
1873 # https://fling.seas.upenn.edu/~giesen/dynamic/wordpress/equivalent-commands-for-git-svn-and-cvs/
1875 # importing cvs repo into git using git-cvs package:
1876 # /f/www $ /usr/lib/git-core/git-cvsimport -C /f/www-git
1892 find -L "$@" -not \
( -name .svn
-prune -o -name .git
-prune \
1893 -o -name .hg
-prune -o -name .editor-backups
-prune \
1894 -o -name .undo-tree-history
-prune \
) -iname "*$glob*" 2>/dev
/null
1898 # insensitive find here. args are combined into the search string.
1899 # -L = follow symlinks
1900 find -L .
-not \
( -name .svn
-prune -o -name .git
-prune \
1901 -o -name .hg
-prune -o -name .editor-backups
-prune \
1902 -o -name .undo-tree-history
-prune \
) -iname "*$**" 2>/dev
/null
1906 # insensitive find directory
1907 find -L .
-type d
-not \
( -name .svn
-prune -o -name .git
-prune \
1908 -o -name .hg
-prune -o -name .editor-backups
-prune \
1909 -o -name .undo-tree-history
-prune \
) -iname "*$**" 2>/dev
/null
1914 sudo iptables
-A INPUT
-s $1 -j DROP
1919 grep -Il "" "$@" &>/dev
/null
1926 # journalctl with times in the format the --since= and --until= options accept
1927 jrt
() { journalctl
-e -n100000 -o short-full
"$@"; }
1928 jr
() { journalctl
-e -n100000 "$@" ; }
1929 jrf
() { journalctl
-n1000 -f "$@" ; }
1931 # the invocation id is "assigned each time the unit changes from an inactive
1932 # state into an activating or active state" man systemd.exec
1933 journalctl
-e --no-tail -u exim4 _SYSTEMD_INVOCATION_ID
="$(systemctl show -p InvocationID --value $1)"
1935 ccomp journalctl jr jrf jru
1940 if [[ $PWD == /[iap
] ]]; then
1941 command ls -A --color=auto
-I lost
+found
"$@"
1943 command ls -A --color=auto
"$@"
1947 lcn
() { locate -i "*$**"; }
1949 lg
() { LC_COLLATE
=C.UTF-8 ll
--group-directories-first "$@"; }
1951 lt
() { ll
-tr "$@"; }
1953 lld
() { ll
-d "$@"; }
1955 ccomp
ls l lg lt lld ll
1961 for dirs in false true
; do
1963 if [[ -d $f ]]; then
1965 # reverse the order to rename the nested dirs first.
1966 # note: 0 element is the dir itself
1967 for ((i
=${#all[@]}-1; i
>=1; i--
)); do
1969 if $dirs && [[ -d $a ]]; then
1970 # e dirs low "$a" # debug
1972 elif ! $dirs && [[ ! -d $a && -e $a ]]; then
1974 # e not dirs low "$a" # debug
1979 # just rename all the top level args on the second pass
1981 # e final dirs low "$f" # debug
1988 low
() { # make filenames lowercase, remove bad chars
1991 arg
="${arg%%+(/)}" # remove trailing slashes. assumes we have extglob on.
1993 if (( ${#dir} == ${#arg} )); then
1997 new
="${f,,}" # downcase
1998 # shellcheck disable=SC2031 # seems like a shellcheck bug
1999 new
="${new//[^a-zA-Z0-9._-]/_}" # sub bad chars
2000 new
="${new#"${new%%[[:alnum:]]*}"}" # remove leading/trailing non-alnum
2001 new
="${new%"${new##*[[:alnum:]]}"}"
2002 # remove bad underscores, like __ and _._
2003 new
=$
(echo $new |
sed -r 's/__+/_/g;s/_+([.-])|([.-])_+/\1/g')
2004 safe_rename
"$dir/$f" "$dir/$new" ||
return 1
2009 lower
() { # make first letter of filenames lowercase.
2012 if [[ ${x::1} == [A-Z
] ]]; then
2013 y
=$
(tr '[:upper:]' '[:lower:]' <<<"${x::1}")"${x:1}"
2014 safe_rename
"$x" "$y" ||
return 1
2020 k
() { # history search
2021 grep -iP --binary-files=text
"$@" ${HISTFILE:-~/.bash_history} |
tail -n 80 ||
[[ $?
== 1 ]];
2023 ks
() { # history search with context
2024 # args are an extended regex used by sed
2025 history |
sed -nr "h;s/^\s*(\S+\s+){4}//;/$*/{g;p}" |
tail -n 80 ||
[[ $?
== 1 ]];
2027 ksu
() { # history search unique
2028 grep -P --binary-files=text
"$@" ${HISTFILE:-~/.bash_history} |
uniq ||
[[ $?
== 1 ]];
2031 # todo: id like to do maybe a daily or hourly cronjob to
2032 # check that my history file size is increasing. Ive had it
2033 # inexplicably truncated in the past.
2036 HISTTIMEFORMAT
='' history |
awk -v IGNORECASE
=1 '{ a=$1; sub(/^ *[^ ]+ */, "") }; /'"$*"'/'
2037 read -r -p "press anything but contrl-c to delete"
2038 for entry
in $
(HISTTIMEFORMAT
='' history |
awk -v IGNORECASE
=1 '{ a=$1; sub(/^ *[^ ]+ */, "") }; /'"$*"'/ { print a }' |
tac); do
2044 # history without the date
2046 history "$@" | cut
-d' ' -f 7-
2049 ccomp
grep k ks ksu histrm
2053 # show make targets, via http://stackoverflow.com/questions/3063507/list-goals-targets-in-gnu-make
2054 make -qp |
awk -F':' '/^[a-zA-Z0-9][^$#\/\t=]*:([^=]|$)/ {split($1,A,/ /);for(i in A)print A[i]}'
2066 # mkdir the last arg, cp the rest into it
2069 cp "${@:1:$#-1}" "${@: -1}"
2073 mv "${@:1:$#-1}" "${@: -1}"
2076 mkt
() { # mkdir and touch file
2078 mkdir
-p "$(dirname "$path")"
2082 # shellcheck disable=SC2032
2083 mkdir
() { command mkdir
-p "$@"; }
2086 # https://github.com/HenriWahl/Nagstamon/issues/357
2087 if ! pgrep
-f /usr
/bin
/dunst
>/dev
/null
; then
2090 /usr
/bin
/nagstamon
&
2095 screen
-L profanity a
2098 # i dont want to wait for konsole to exit...
2100 command prof
&>/dev
/null
&
2105 printf '\033[1A\033[K'; printf "%s\n" "$l"| ts
"%F %T" |
tee -a /p
/self-chat.log
2110 # cant use s because sudo -i doesnt work for passwordless sudo command
2113 sudo nmtui-connect
"$@"
2123 if shopt nullglob
>/dev
/null
; then
2137 # shellcheck disable=SC2024
2139 for f
in /var
/log
/exim
4/paniclog
/var
/log
/exim
4/*panic
; do
2141 if [[ -s $f ]]; then
2142 echo ================== $f =============
2143 s
tee -a /var
/log
/exim
4/$base-archive <$f
2151 ping() { command ping -O "$@"; }
2152 p8
() { ping "$@" 8.8.8.8; }
2153 p6
() { ping6
"$@" 2001:4860:4860::8888; }
2155 pkx
() { # package extract
2156 local pkg cached tmp f
2159 # shellcheck disable=SC2012
2160 cached
=$
(ls -t /var
/cache
/apt
/archives
/${pkg}_
* 2>/dev
/null |
tail -n1 2>/dev
/null
) ||
:
2161 if [[ $cached ]]; then
2164 m aptitude download
$pkg ||
return 1
2166 tmp
=(*); f
=${tmp[0]} # only 1 expected
2175 tmpf
=$
(pgrep
-f "$*")
2176 mapfile
-t pids
<<<"$tmpf"
2179 # shellcheck disable=SC2128
2185 0) echo "no pid found" ;;
2194 help="Usage: psg [--help] GREP_ARGS
2195 grep ps and output in a nice format"
2196 if [[ $1 == --help ]]; then
2201 # final grep is because some commands tend to have a lot of trailing spaces
2202 y
=$
(echo "$x" |
grep -iP "$@" |
grep -o '.*[^ ]') ||
:
2204 echo "$x" |
head -n 1 ||
[[ $?
== 141 ]]
2209 pubip
() { curl
-4s https
://icanhazip.com
; }
2210 pubip6
() { curl
-6s https
://icanhazip.com
; }
2211 whatismyip
() { pubip
; }
2214 q
() { # start / launch a program in the backround and redir output to null
2218 # shellcheck disable=SC2120
2220 if [[ $HISTFILE ]]; then
2221 history -a # save history
2223 trap ERR
# this avoids a segfault
2225 # i had this redir, not sure why
2226 # exit "$@" 2>/dev/null
2229 # scp is insecure and deprecated.
2231 rsync
-Pt --inplace "$@"
2236 # available high ports are 1024-65535,
2237 # but lets skip things that are more likely to be in use
2240 print(secrets.SystemRandom().randrange(10002,65500))
2246 # shellcheck disable=SC1090 # expected to not follow
2256 # rsync, root is required to keep permissions right.
2257 # rsync --archive --human-readable --verbose --itemize-changes --checksum \(-ahvic\) \
2258 # --no-times --delete
2259 # basically, make an exact copy, use checksums instead of file times to be more accurate
2260 rsync
-ahvic --delete "$@"
2263 # like rlu, but dont delete files on the target end which
2264 # do not exist on the original end.
2268 # rl without preserving modification time.
2269 rsync
-ahvic --delete --no-t "$@"
2271 # [RSYNC_OPTS] HOST PATH
2273 # eg. rsu -opts frodo /testpath
2274 # relative paths will expanded with readlink -f.
2275 opts
=("${@:1:$#-2}") # 1 to last -2
2276 path
="${*:$#}" # last
2277 host="${*:$#-1:1}" # last -1
2278 if [[ $path == .
* ]]; then
2279 path
=$
(readlink
-f $path)
2281 m rsync
-ahvi --relative --no-implied-dirs "${opts[@]}" "$path" "root@$host:/";
2283 ccomp rsync rsd rsa rst rsu
2285 # find programs listening on a port
2288 # to figure out these args, i had to look at the man page from git version, as of 2022-04.
2289 s ss
-lpn state listening sport
= $port
2294 if [[ $
(systemctl is-active nscd ||
:) != inactive
]]; then
2299 hr
; s ss
-lpn sport
= 53
2300 if systemctl is-enabled dnsmasq
&>/dev
/null ||
[[ $
(systemctl is-active dnsmasq ||
:) != inactive
]]; then
2301 # this will fail is dnsmasq is failed
2302 hr
; m ser status dnsmasq |
cat ||
:
2304 hr
; echo $f:; ccat
$f
2305 hr
; m grr
'^ *(servers-file|server) *=|^ *no-resolv *$' /etc
/dnsmasq.conf
/etc
/dnsmasq.d
2306 f
=/etc
/dnsmasq-servers.conf
2307 hr
; echo $f:; ccat
$f
2310 echo /etc
/nsswitch.conf
:
2311 grep '^ *hosts:' /etc
/nsswitch.conf
2312 if systemctl is-enabled systemd-resolved
&>/dev
/null ||
[[ $
(systemctl is-active systemd-resolved ||
:) != inactive
]]; then
2313 hr
; m ser status systemd-resolved |
cat ||
:
2314 hr
; m resolvectl status |
cat
2322 if [[ $
(systemctl is-active nscd ||
:) != inactive
]]; then
2326 m sudo nscd
-i hosts
2328 if [[ $
(systemctl is-active dnsmasq ||
:) != inactive
]]; then
2329 m sudo systemctl restart dnsmasq
2331 if [[ $
(systemctl is-active systemd-resolved ||
:) != inactive
]]; then
2332 m sudo systemctl restart systemd-resolved
2334 if type -P resolvectl
&>/dev
/null
; then
2335 resolvectl flush-caches
2339 # add annoyingly long argument which should be the default
2341 sed -i --follow-symlinks "$@"
2346 # todo: test variable assignment with newlines here.
2347 # https://stackoverflow.com/questions/15783701/which-characters-need-to-be-escaped-when-using-bash
2349 # beware that it only works on the assumption that any special
2350 # characters in the input string are intended to be escaped, not to work
2351 # as special chacters.
2353 LC_ALL
=C
sed -e 's/[^a-zA-Z0-9,._+@%/-]/\\&/g; 1{$s/^$/""/}; 1!s/^/"/; $!s/$/"/'
2357 ssh fencepost
head -n 300 /gd
/gnuorg
/EventAndTravelInfo
/rms-current-trips.txt |
less
2366 command sudo
"$@" ||
return $?
2371 # I use a function because otherwise we cant use in a script,
2372 # cant assign to variable.
2374 # note: gksudo is recommended for X apps because it does not set the
2375 # home directory to the same, and thus apps writing to ~ fuck things up
2376 # with root owned files.
2378 if [[ $EUID != 0 ||
$1 == -* ]]; then
2379 # shellcheck disable=SC2034
2380 SUDOD
="$PWD" command sudo
-i "$@"
2386 sb
() { # sudo bash -c
2387 # use sb instead of s is for sudo redirections,
2388 # eg. sb 'echo "ok fine" > /etc/file'
2389 # shellcheck disable=SC2034
2391 sudo
-i bash
-c "$@"
2394 se
() { s urun
0077 "$@"; }
2397 safe_rename
() { # warn and dont rename if file exists.
2398 # mv -n exists, but it\'s silent
2399 if [[ $# != 2 ]]; then
2400 echo safe_rename error
: $# args
, need
2 >&2
2403 if [[ $1 != "$2" ]]; then # yes, we want to silently ignore this
2404 if [[ -e $2 ||
-L $2 ]]; then
2405 echo "Cannot rename $1 to $2 as it already exists."
2414 sudo
dd status
=none of
="$1"
2418 if type -p systemctl
&>/dev
/null
; then
2421 if (( $# >= 3 )); then
2422 echo iank
: ser expected
2 or
less arguments
2429 systemctl
-n 40 status
"$@"
2432 seru
() { systemctl
--user "$@"; }
2433 # like restart, but do nothing if its not already started
2436 if [[ $
(s systemctl
--no-pager show
-p ActiveState
$service ) == ActiveState
=active
]]; then
2437 systemctl restart
$service
2441 setini
() { # set a value in a .ini style file
2442 key
="$1" value
="$2" section
="$3" file="$4"
2443 if [[ -s $file ]]; then
2444 sed -ri -f - "$file" <<EOF
2445 # remove existing keys
2446 / *\[$section\]/,/^ *\[[^]]+\]/{/^\s*${key}[[:space:]=]/d}
2448 /^\s*\[$section\]/a $key=$value
2449 # from section to eof, do nothing
2450 /^\s*\[$section\]/,\$b
2451 # on the last line, if we haven't found section yet, add section and key
2463 sgo
() { # service go
2465 ser restart
$service ||
return 1
2466 if type -p systemctl
&>/dev
/null
; then
2472 # ignore services that dont exist
2473 if systemctl
cat $service &>/dev
/null
; then
2475 ser disable
$service
2481 systemctl list-unit-files | rg
"$@"
2484 # check whether we generally want to do sk on the file
2486 [[ ! -L $f ]] && istext
"$1" && [[ $
(head -n1 "$1" 2>/dev
/null
) == '#!/bin/bash'* ]]
2490 # see https://savannah.gnu.org/maintenance/fsf/bash-style-guide/ for justifications
2491 local quotes others ret
2492 quotes
=2048,2068,2086,2206,2254
2493 others
=2029,2032,2033,2054,2164
2494 shellcheck
-x -W 999 -e $quotes,$others "$@" || ret
=$?
2495 if (( ret
>= 1 )); then
2496 echo "A template comment to disable is now in clipboard. eg: # shellcheck disable=SC2206 # reason"
2497 cbs
"# shellcheck disable=SC"
2502 # sk with quotes. For checking scripts that we expect to take untrusted
2503 # input in order to verify we quoted vars.
2506 others
=2029,2033,2054,2164
2507 shellcheck
-W 999 -x -e $others "$@" ||
return $?
2510 # sk on all modified files in current git repo
2513 for f
in $
(i s |
awk '$1 == "modified:" {print $2}'); do
2521 # sk on all the files in current git repo
2523 local f toplevel orig_dir tmp
2524 local -a ls_files sk_files
2525 toplevel
=$
(git rev-parse
--show-toplevel)
2526 if [[ $PWD != "$toplevel" ]]; then
2530 # tracked & untracked files
2531 tmp
=$
(git ls-files
&& git ls-files
--others --exclude-standard)
2532 mapfile
-t ls_files
<<<"$tmp"
2533 for f
in "${ls_files[@]}"; do
2539 if [[ $orig_dir ]]; then
2545 # sl: ssh, but firsh rsync our bashrc and related files to a special
2546 # directory on the remote host if needed.
2548 # Some environment variables and files need to be setup for this to work
2549 # (mine are set at the beginning of this file)
2551 # SL_FILES_DIR: Environment variable. Path to folder which should at
2552 # least have a .bashrc file or symlink. This dir will be rsynced to ~ on
2553 # remote hosts (top level symlinks are resolved) unless the host already
2554 # has a $SL_FILES_DIR/.bashrc. In that case, we assume it is a host you
2555 # control and sync files to separately and already has the ~/.bashrc you
2556 # want. The remote bash will also take its .inputrc config from this
2557 # folder (default of not existing is fine). Mine looks like this:
2558 # https://iankelling.org/git/?p=distro-setup;a=tree;f=sl/.iank
2560 # SL_INFO_DIR: Environment variable. This folder stores info about what
2561 # we detected on the remote system and when we last synced. It will be created
2562 # if it does not exist. Sometimes you may want to forget about a
2563 # remote system, you can use sl --rsync, or the function for that slr
2566 # SL_TEST_CMD: Env var. Meant to be used to vary the files synced
2567 # depending on the remote host. Run this string on the remote host the
2568 # first time sl is run (or if we run slr). The result is passed to
2569 # SL_TEST_HOOK. For example,
2570 # export SL_TEST_CMD=". /etc/os-release ; echo \${VERSION//[^a-zA-Z0-9]/}"
2572 # SL_TEST_HOOK: Env var. It is run as $SL_TEST_HOOK. This can set
2573 # $SL_FILES_DIR to vary the files synced.
2575 # SL_RSYNC_ARGS: Env var. String of arguments passed to rsync. For
2576 # example to exclude files within a directory. Note, excluded
2577 # files wont be deleted on rsync, you can add --delete-excluded
2578 # to the rsync command if that is desired.
2580 # SL_SSH_ARGS: Env var. Default arguments passed to ssh.
2582 # For when ~/.bashrc is already customized on the remote server, you
2583 # might find it problematic that ~/.bashrc is sourced for ALL ssh
2584 # commands, even in scripts. This paragraph is all about that. bash
2585 # scripts dont source ~/.bashrc, but call ssh in scripts and you get
2586 # ~/.bashrc. You dont want this. .bashrc is meant for interactive shells
2587 # and if you customize it, probably has bugs from time to time. This is
2588 # bad. Here's how I fix it. I have a special condition to "return" in my
2589 # .bashrc for noninteractive ssh shells (copy that code). Then use this
2590 # function or similar that passes LC_USEBASHRC=t when sshing and I want
2591 # my bashrc. Also, I don't keep most of my bashrc in .bashrc, i source a
2592 # separate file because even if I return early on, the whole file gets
2593 # parsed which can fail if there is a syntax error.
2595 # Background on LC_USEBASHRC var (no need to read if you just want to
2596 # use this function): env variables sent across ssh are strictly
2597 # limited, but we get LC_* at least in debian based machines, so we
2598 # just make that * be something no normal program would use. Note, on
2599 # hosts that dont allow LC_* I start an inner shell with LC_USEBASHRC
2600 # set, and the inner shell also allows running a nondefault
2601 # .bashrc. This means the outer shell still ran the default .bashrc,
2602 # but that is the best we can do.
2604 local now args remote dorsync haveinfo tmpa sshinfo tmp tmp2
type info_sec force_rsync \
2605 sync_dirname testcmd extra_info testbool files_sec sl_test_cmd sl_test_hook
2606 declare -a args tmpa
2610 # ssh [-1246Antivivisectionist] [-b bind_address] [-c cipher_spec] [-D [bind_address:]port]
2611 # [-E log_file] [-e escape_char] [-F configfile] [-I pkcs11] [-i identity_file] [-L address]
2612 # [-l login_name] [-m mac_spec] [-O ctl_cmd] [-o option] [-p port] [-Q query_option]
2613 # [-R address] [-S ctl_path] [-W host:port] [-w local_tun[:remote_tun]] [user@]hostname
2616 # ssh [-46AaCfGgKkMNnqsTtVvXxYy] [-b bind_address] [-c cipher_spec]
2617 # [-D [bind_address:]port] [-E log_file] [-e escape_char]
2618 # [-F configfile] [-I pkcs11] [-i identity_file]
2619 # [-J [user@]host[:port]] [-L address] [-l login_name] [-m mac_spec]
2620 # [-O ctl_cmd] [-o option] [-p port] [-Q query_option] [-R address]
2621 # [-S ctl_path] [-W host:port] [-w local_tun[:remote_tun]]
2624 if [[ $1 == --rsync ]]; then
2628 # shellcheck disable=SC2153 # intentional
2629 sl_test_cmd
=$SL_TEST_CMD
2630 # shellcheck disable=SC2153 # intentional
2631 sl_test_hook
=$SL_TEST_HOOK
2632 # shellcheck disable=SC2153 # intentional
2633 sl_rsync_args
=$SL_RSYNC_ARGS
2660 # note we dont support things like -4oOption
2661 -[46AaCfGgKkMNnqsTtVvXxYy
]*)
2664 -[bcDEeFIiJLlmOopQRSWw
]*)
2665 # -oOption etc is valid
2666 if (( ${#1} >= 3 )); then
2669 args
+=("$1" "$2"); shift 2
2678 if [[ ! $remote ]]; then
2679 echo $0: error hostname required
>&2
2684 if [[ ! $SL_INFO_DIR ]]; then
2685 echo 'error: missing SL_INFO_DIR env var' >&2
2691 tmpa
=($SL_INFO_DIR/???????????
"$remote")
2693 if [[ -e $sshinfo ]]; then
2694 if $force_rsync; then
2701 tmp
=${sshinfo[0]##*/}
2704 extra_info
=$
(cat $sshinfo)
2706 # we test for string to know ssh succeeded
2707 testbool
="test -e $SL_FILES_DIR/.bashrc -a -L .bashrc -a -v LC_USEBASHRC"
2708 testcmd
="if $testbool; then printf y; else printf n; fi"
2709 if ! tmp
=$
(LC_USEBASHRC
=y
command ssh "${args[@]}" "$remote" "$testcmd; $sl_test_cmd"); then
2710 echo failed sl
test. doing plain
ssh -v
2711 command ssh -v "${args[@]}" "$remote"
2713 if [[ $tmp == y
* ]]; then
2719 extra_info
="${tmp:1}"
2721 if [[ $sl_test_hook ]]; then
2722 RSYNC_RSH
="ssh ${args[*]}" $sl_test_hook "$extra_info" "$remote"
2725 if $haveinfo && [[ $type == b
]]; then
2727 read -r files_sec _
< <(find -L $SL_FILES_DIR -printf "%T@ %p\n" |
sort -nr ||
[[ $?
== 141 ||
${PIPESTATUS[0]} == 32 ]] )
2728 files_sec
=${files_sec%%.*}
2729 if (( files_sec
> info_sec
)); then
2735 sync_dirname
=${SL_FILES_DIR##*/}
2737 if [[ ! $SL_FILES_DIR ]]; then
2738 echo 'error: missing SL_FILES_DIR env var' >&2
2743 RSYNC_RSH
="ssh ${args[*]}" m rsync
-rptL --delete $sl_rsync_args $SL_FILES_DIR "$remote":
2745 if $dorsync ||
! $haveinfo; then
2746 sshinfo
=$SL_INFO_DIR/$EPOCHSECONDS$type"$remote"
2747 [[ -e $SL_INFO_DIR ]] || mkdir
-p $SL_INFO_DIR
2748 printf "%s\n" "$extra_info" >$sshinfo
2751 if [[ $type == b
]]; then
2752 if (( ${#@} )); then
2753 # Theres a couple ways to pass arguments, im not sure whats best,
2754 # but relying on bash 4.4+ escape quoting seems most reliable.
2755 command ssh "${args[@]}" "$remote" \
2756 LC_USEBASHRC
=t bash
-c '.\ '$sync_dirname'/.bashrc\;"\"\$@\""' bash
${@@Q}
2757 elif [[ ! -t 0 ]]; then
2758 # This case is when commands are being piped to ssh.
2759 # Normally, no bashrc gets sourced.
2760 # But, since we are doing all this, lets source it because we can.
2761 cat <(echo .
$sync_dirname/.bashrc
) - |
command ssh "${args[@]}" "$remote" LC_USEBASHRC
=t bash
2763 command ssh -t "${args[@]}" "$remote" LC_USEBASHRC
=t INPUTRC
=$sync_dirname/.inputrc bash
--rcfile $sync_dirname/.bashrc
2767 LC_USEBASHRC
=t
command ssh "${args[@]}" "$remote" ${@@Q}
2769 command ssh "${args[@]}" "$remote" LC_USEBASHRC
=t bash
2772 # this function inspired from https://github.com/Russell91/sshrc
2779 sl
-oControlMaster=no
-oControlPath=/ "$@"
2781 # kill off old shared socket then ssh
2783 m
ssh -O exit "$@" ||
[[ $?
== 255 ]]
2786 ccomp
ssh sl slr sss ssk
2789 LC_USEBASHRC
=t
command ssh "$@"
2794 # log with script. timing is $1.t and script is $1.s
2795 # -l to save to ~/typescripts/
2796 # -t to add a timestamp to the filenames
2797 local logdir do_stamp arg_base
2798 (( $# >= 1 )) ||
{ echo "arguments wrong"; return 1; }
2801 while getopts "lt" option
2804 l
) arg_base
=$logdir ;;
2807 echo error
: bad option
2812 shift $
((OPTIND
- 1))
2814 [[ -e $logdir ]] || mkdir
-p $logdir
2815 $do_stamp && arg_base
+=$
(date +%F.
%T
%z
)
2816 script -t $arg_base.s
2> $arg_base.t
2818 splay
() { # script replay
2819 #logRoot="$HOME/typescripts/"
2820 #scriptreplay "$logRoot$1.t" "$logRoot$1.s"
2821 scriptreplay
"$1.t" "$1.s"
2825 # sudo redo. be aware, this command may not work right on strange distros or earlier software
2826 if [[ $# == 0 ]]; then
2827 sudo
-E bash
-c -l "$(history -p '!!')"
2829 echo this
command redos last
history item. no argument is accepted
2834 # with -ll, less secure but faster.
2835 command srm
-ll "$@"
2840 ssh $1 "/tmp/${2##*/}" "$(printf "%q
\n" "${@:2}")"
2852 tclock
() { # terminal clock
2857 # this goes to full width
2858 #len=${1:-$((COLUMNS -7))}
2861 if (( x
== len
)); then
2863 d
="$(date +%l:%_M) "
2866 d
=$
(date +%l
:%M
:%_S
)
2870 for ((i
=0; i
<x
; i
++)); do
2871 if (( i
% 6 )); then
2889 # test existence / exists
2892 [[ -e "$x" ||
-L "$x" ]] || ret
=1
2898 # normally, i would just execute these commands in the function.
2899 # however, DEBUG is not inherited, so we need to run it outside a function.
2900 # And we want to run set -x afterwards to avoid spam, so we cram everything
2901 # in here, and then it will run after this function is done.
2902 # # set as array to satisfy shellcheck, but it is equivalent to setting it as non-array
2903 PROMPT_COMMAND
=('trap DEBUG; unset PROMPT_COMMAND; PS1="\w \$ "')
2906 PROMPT_COMMAND
=(prompt-command
)
2907 if [[ $TERM == *(screen
*|xterm
*|rxvt
*) ]]; then
2908 trap 'auto-window-title "$BASH_COMMAND"' DEBUG
2912 # prometheus node curl
2915 host=${1:-127.0.0.1}
2916 s curl
--cert-type PEM
--cert /etc
/prometheus
/ssl
/prometheus_cert.pem
--key /etc
/prometheus
/ssl
/prometheus_key.pem
--cacert /etc
/prometheus
/ssl
/prom_node_cert.pem
--resolve prom_node
:9100:$host -v https
://prom_node
:9100/metrics
2919 tx
() { # toggle set -x, and the prompt so it doesnt spam
2920 if [[ $
- == *x
* ]]; then
2929 # show all processes in the network namespace $1.
2930 # blank entries appear to be subprocesses/threads
2934 sudo
find -L /proc
/[1-9]*/task
/*/ns
/net
-samefile /run
/netns
/$netns | cut
-d/ -f5 | \
2936 x
=$
(ps
-w --no-headers -p $l);
2937 if [[ $x ]]; then echo "$x"; else echo $l; fi;
2941 if ! s ip netns list |
grep -Fx nonet
&>/dev
/null
; then
2942 s ip netns add nonet
2944 sudo
-E env
/sbin
/ip netns
exec nonet sudo
-E -u iank
/bin
/bash
2947 m
() { printf "%s\n" "$*"; "$@"; }
2948 m2
() { printf "%s\n" "$*" >&2; "$@"; }
2950 # update file. note: duplicated in mail-setup.
2951 # updates $ur u result to true or false
2952 # updates $reload to true if file updated is in /etc/systemd/system
2954 local tmp tmpdir dest
="$1"
2955 local base
="${dest##*/}"
2956 local dir
="${dest%/*}"
2957 if [[ $dir != "$base" ]]; then
2958 # dest has a directory component
2961 # shellcheck disable=SC2034 # see comment at top of function
2963 tmpdir
="$(mktemp -d)"
2964 cat >$tmpdir/"$base"
2965 tmp
=$
(rsync
-ic $tmpdir/"$base" "$dest")
2967 printf "%s\n" "$tmp"
2968 # shellcheck disable=SC2034 # see comment at top of function
2970 if [[ $dest == /etc
/systemd
/system
/* ]]; then
2971 # shellcheck disable=SC2034 # see comment at top of function
2980 if type -p uprecords
&>/dev
/null
; then
2988 for x
in "$@"; do virsh destroy
"$x"; virsh undefine
"$x"; done
2996 sudo virsh dumpxml
$vm |
sed -r "s/(<listen.*address=')([^']+)/\1$ip/" | \
2997 sed -r "s/listen='[^']+/listen='$ip/"> $t
2998 sudo virsh undefine
$vm
2999 sudo virsh define
$t
3004 vm-set-listen
$1 0.0.0.0
3009 vm-set-listen
$1 127.0.0.1
3014 interfaces
=$
(iw dev |
awk '$1 == "Interface" {print $2}')
3015 for i
in $interfaces; do
3016 echo "myiwscan: considering $i"
3017 # find input, copy to pattern space, when we find the first field, print the copy in different order without newlines.
3018 # instead of using labels, we could just match a line and group, eg: /signal:/,{s/signal:(.*)/\1/h}
3019 sudo iw dev
$i scan |
sed -rn "
3020 s/^\Wcapability: (.*)/\1/;Ta;h;b
3021 :a;s/^\Wsignal: -([^.]+).*/\1/;Tb;H;b
3022 # padded to min width of 20
3023 :b;s/\WSSID: (.*)/\1 /;T;s/^(.{20}(.*[^ ])?) */\1/;H;g;s/(.*)\n(.*)\n(.*)/\2 \3 \1/gp;b
3028 # Run script by copying it to a temporary location first,
3029 # and changing directory, so we don't have any open
3030 # directories or files that could cause problems when
3047 # spark 1 5 22 13 53
3051 # Copyright (c) Zach Holman, https://zachholman.com
3052 # https://github.com/holman/spark
3054 # As of 2022-10-28, I reviewed github forks that had several newer
3055 # commits, none had anything interesting. I did a little refactoring
3056 # mostly to fix emacs indent bug.
3058 # Generates sparklines.
3061 if [ "X$1" = "X-n" ]; then
3075 # find min/max values
3076 local min
=0xffffffff max
=0
3080 # on Linux (or with bash4) we could use `printf %.0f $n` here to
3081 # round the number but that doesn't work on OS X (bash3) nor does
3082 # `awk '{printf "%.0f",$1}' <<< $n` work, so just cut it off
3084 (( n
< min
)) && min
=$n
3085 (( n
> max
)) && max
=$n
3086 numbers
=$numbers${numbers:+ }$n
3090 local ticks
=(▁ ▂ ▃ ▄ ▅ ▆ ▇ █
)
3092 # use a high tick if data is constant
3093 (( min
== max
)) && ticks
=(▅ ▆
)
3096 f
=$
(( ( (max-min
) <<8)/( tc - 1) ))
3101 _spark_echo -n ${ticks[$(( (((n-min)<<8)/f) ))]}
3106 pdfwc() { local f; for f; do echo "$f" "$(pdfinfo "$f" | awk '/^Pages:/ {print $2}')"; done }
3109 # nvm install script appended this to my .bashrc. I dont want to run it all the time,
3110 # so put it in a function.
3112 export NVM_DIR="$HOME/.nvm"
3113 # shellcheck disable=SC1091 # may not exist, & third party
3114 [ -s "$NVM_DIR/nvm.sh" ] && source "$NVM_DIR/nvm.sh" # This loads nvm
3115 # shellcheck disable=SC1091 # may not exist, & third party
3116 [ -s "$NVM_DIR/bash_completion" ] && source "$NVM_DIR/bash_completion" # This loads nvm bash_completion
3121 if date -d 'february 29' &>/dev/null; then
3131 if [[ -e /sys/class/power_supply/AC/online && $(</sys/class/power_supply/AC/online) == 0 ]]; then
3138 # make vim work with my light colortheme terminal.
3140 if [[ -e ~/.vimrc ]]; then
3143 command vim -c ':colorscheme peachpuff' "$@"
3147 # ls count. usage: pass a directory, get the number of files.
3148 # https://unix.stackexchange.com/questions/90106/whats-the-most-resource-efficient-way-to-count-how-many-files-are-in-a-director
3150 # shellcheck disable=SC2790 disable=SC2012 # intentional
3154 # run then notify. close notification after the next prompt.
3157 dunstify -u critical -h string:x-dunst-stack-tag:profanity "$*"
3158 _psrun=(dunstctl close-all)
3161 dunstify -u critical -h string:x-dunst-stack-tag:profanity n
3162 _psrun=(dunstctl close-all)
3168 # shellcheck disable=SC2030
3169 inotifywait -m "$dir" -e create -e moved_to | while read -r _ _ file; do
3183 if ! type -p sponge &>/dev/null; then
3184 echo "$0: error: missing dependency: sudo apt install moreutils" >&2
3189 echo "adding header to $f"
3190 if [[ -s $f ]]; then
3195 cat - "${f_maybe[@]}" <<EOF | sponge "$f"
3196 The following is the GNU All-permissive License as recommended in
3197 <https://www.gnu.org/licenses/license-recommendations.en.html>
3199 Copyright (C) $(date +%Y) Free Software Foundation <sysadmin@fsf.org>
3201 Copying and distribution of this file, with or without modification,
3202 are permitted in any medium without royalty provided the copyright
3203 notice and this notice are preserved. This file is offered as-is,
3204 without any warranty.
3206 Contributions are welcome. See <https://savannah.gnu.org/maintenance/fsf/>.
3212 # note, there is also the tool gron which is meant for this, but
3213 # this is good enough to not bother installing another tool
3215 # https://stackoverflow.com/questions/59700329/how-to-print-path-and-key-values-of-json-file-using-jq
3216 jq --stream -r 'select(.[1]|scalars!=null) | "\(.[0]|join(".")): \(.[1]|tojson)"' "$@"
3220 "$@" |& ts || return $?
3227 if $use_color && type -p tput &>/dev/null; then
3228 # this is nice for a dark background terminal:
3229 # https://github.com/trapd00r/LS_COLORS
3230 # I would like if there was something similar for light.
3232 # https://www.bigsoft.co.uk/blog/2008/04/11/configuring-ls_colors
3233 # change the hard to read turqouise.
3234 # defaults dircolors --print-database.
3236 # the default bold green is too light.
3237 # this explains the codes: https://gist.github.com/thomd/7667642
3238 export LS_COLORS="ex=1:ln=00;31"
3240 term_bold="$(tput bold)"
3241 term_red="$(tput setaf 1)"
3242 term_green="$(tput setaf 2)"
3243 # shellcheck disable=SC2034 # expected
3244 term_yellow="$(tput setaf 3)"
3245 term_purple="$(tput setaf 5)"
3246 term_nocolor="$(tput sgr0)" # no font attributes
3248 # unused so far. commented for shellcheck
3249 # term_underl="$(tput smul)"
3250 # term_blue="$(tput setaf 4)"
3251 # term_cyan="$(tput setaf 6)"
3253 # Try to keep environment pollution down, EPA loves us.
3254 unset safe_term match_lhs use_color
3259 if [[ $- == *i* ]]; then
3264 if [[ $EUID == 1000 ]]; then
3271 # this needs to come before next ps1 stuff
3272 # this stuff needs bash 4, feb 2009,
3273 # old enough to no longer condition on $BASH_VERSION anymore
3277 if [[ $- == *i* ]] && [[ ! $LC_INSIDE_EMACS ]]; then
3279 bind -m vi-command B:shell-backward-word
3280 bind -m vi-command W:shell-forward-word
3283 if [[ $SSH_CLIENT || $SUDO_USER ]]; then
3284 unset PROMPT_DIRTRIM
3288 # emacs terminal has problems if this runs slowly,
3289 # so I've thrown a bunch of things at the wall to speed it up.
3291 local return=$? # this MUST COME FIRST
3293 # all usable colors:
3295 # green nonzero exit (pri 1)
3298 # red pwd different owner & group & not writable (pri 2)
3299 # red bold pwd different owner & group & writable (pri 2)
3302 local ps_char ps_color
3305 if [[ $HISTFILE ]]; then
3306 history -a # save history
3309 ps_color="$term_purple"
3311 if [[ ! -O . ]]; then # not owner
3312 if [[ -w . ]]; then # writable
3313 ps_color="$term_bold$term_red"
3315 ps_color="$term_red"
3319 if [[ $return != 0 ]]; then
3320 ps_color="$term_green"
3321 ps_char="$return \\$"
3324 # faster than sourceing the file im guessing
3325 if [[ -e /dev/shm/iank-status && ! -e /tmp/quiet-status ]]; then
3326 eval "$(< /dev/shm/iank-status)"
3328 if [[ $MAIL_HOST && $MAIL_HOST != "$HOSTNAME" ]]; then
3329 ps_char="@ $ps_char"
3332 if [[ $(jobs -p) ]]; then
3337 # allow a function to specify a command to run after we run the next
3338 # command. Use case: a function makes a persistent notification. If
3339 # we happen to be using that terminal, we can just keep working by
3340 # entering our next command, even a noop in order to dismiss the
3341 # notification, instead of having to explicitly dismiss it.
3342 if [[ ${_psrun[*]} ]]; then
3343 if (( _psrun_count >= 1 )); then
3349 _psrun_count=$(( _psrun_count + 1 ))
3355 # We could test if sudo is active with sudo -nv
3356 # but then we get an email and log of lots of failed sudo commands.
3357 # We could turn those off, but seems better not to.
3358 if [[ $EUID != 0 ]] && [[ $DID_SUDO ]]; then
3359 psudo="\[$term_bold$term_red\]s\[$term_nocolor\] "
3361 if [[ ! $HISTFILE ]]; then
3362 ps_char="NOHIST $ps_char"
3364 PS1="${PS1%"${PS1#*[wW]}"} $jobs_char$psudo\[$ps_color\]$ps_char\[$term_nocolor\] "
3366 # copy of what is automatically added by guix.
3367 # adds [env] to PS1 if GUIX_ENVIRONMENT is set and PS1 contains '$';
3368 if [ -n "$GUIX_ENVIRONMENT" ]; then
3369 if [[ $PS1 =~ (.*)"\\$" ]]; then
3370 PS1="${BASH_REMATCH[1]} [env]\\\$ "
3375 # set titlebar. instead, using more advanced
3377 #echo -ne "$_title_escape $HOSTNAME ${PWD/#$HOME/~} \007"
3379 PROMPT_COMMAND=(prompt-command)
3381 if [[ $TERM == screen* ]]; then
3382 _title_escape="\033]..2;"
3384 # somme sites recommend this, i dunno what the diff is.
3385 #_title_escape="\033]30;"
3386 _title_escape="\033]0;"
3389 # make the titlebar be the last command and the current directory.
3390 auto-window-title () {
3393 # These are some checks to help ensure we dont set the title at
3394 # times that the debug trap is running other than the case we
3395 # want. Some of them might not be needed.
3396 if (( ${#FUNCNAME[@]} != 1 || ${#BASH_ARGC[@]} != 2 || BASH_SUBSHELL != 0 )); then
3399 if [[ $1 == prompt-command ]]; then
3402 echo -ne "$_title_escape ${PWD/#$HOME/~} "
3407 # note, this wont work:
3408 # x=$(mktemp); cp a $x
3409 # I havnt figured out why, bigger fish to fry.
3412 # condition from the screen man page i think.
3413 # note: duplicated in tx()
3414 if [[ $TERM == *(screen*|xterm*|rxvt*) ]]; then
3415 trap 'auto-window-title "$BASH_COMMAND"' DEBUG
3426 rooms=(jupiter saturn)
3427 for ip in 209.51.188.25 live.fsf.org; do
3428 out=$(curl -sS --insecure https://$ip/)
3433 roomv[$i]=$(( ${roomv[$i]} + n ))
3434 done < <(printf "%s\n" "$out" | grep -Po "$room.*?current[^0-9]*[0-9]*" | grep -o '[0-9]*$' )
3437 printf "total: %s " $v
3440 printf "$room: %s " "${roomv[$i]}"
3446 local default_route_dev
3447 default_route_dev=$(ip r show default | sed 's/.*dev \([^ ]*\).*/\1/' | head -n1)
3448 m s ip n flush dev "$default_route_dev"
3451 # * stuff that makes sense to be at the end
3457 if [[ -s "$HOME/.rvm/scripts/rvm" ]]; then
3458 # shellcheck disable=SC1091
3459 source "$HOME/.rvm/scripts/rvm"
3462 # I had this idea to start a bash shell which would run an initial
3463 # command passed through this env variable, then continue on
3464 # interactively. But the use case I had in mind went away.
3466 # if [[ $MY_INIT_CMD ]]; then
3467 # "${MY_INIT_CMD[@]}"
3471 # ensure no bad programs appending to this file will have an affect