various fixes, a few new features

[distro-setup] / brc

diff --git a/brc b/brc
index 75a7393eb15c7301d19b22b6a5498fcb9d4b70a1..1539a767e0aaec91969f25b49234eb1dbc40b503 100644 (file)
--- a/brc
+++ b/brc
@@ -1011,6 +1011,9 @@ etail2() {
 ccomp tail etail etail2
 
 
+showkeys() {
+  ssh "$@" cat .ssh/authorized_keys{,2}
+}
 
 
 # print exim old pids
@@ -1115,6 +1118,20 @@ faf() { # find all files. use -L to follow symlinks
        -o -name .undo-tree-history -prune \) -type f 2>/dev/null
 }
 
+# usage ffconcat FILES_TO_CONCAT OUTPUT_FILE
+ffconcat() {
+  local tmpf
+  tmpf=$(mktemp)
+  printf "file '%s'\n" "$1" >$tmpf
+  while (( $# > 1 )); do
+    shift
+    printf "file '%s'\n" "$1" >>$tmpf
+  done
+  # https://trac.ffmpeg.org/wiki/Concatenate
+  ffmpeg -f concat -safe 0 -i $tmpf -c copy "$1"
+  rm $tmpf
+}
+
 # full path without resolving symlinks
 fp() {
   local dir base
@@ -2556,6 +2573,10 @@ if [[ $- == *i* ]]; then
     if [[ $MAIL_HOST && $MAIL_HOST != "$HOSTNAME" ]]; then
       ps_char="@ $ps_char"
     fi
+    jobs_char=
+    if [[ $(jobs -p) ]]; then
+      jobs_char='\j '
+    fi
     # We could test if sudo is active with sudo -nv
     # but then we get an email and log of lots of failed sudo commands.
     # We could turn those off, but seems better not to.
@@ -2565,7 +2586,7 @@ if [[ $- == *i* ]]; then
     if [[ ! $HISTFILE ]]; then
       ps_char="NOHIST $ps_char"
     fi
-    PS1="${PS1%"${PS1#*[wW]}"} $psudo\[$ps_color\]$ps_char\[$term_nocolor\] "
+    PS1="${PS1%"${PS1#*[wW]}"} $jobs_char$psudo\[$ps_color\]$ps_char\[$term_nocolor\] "
 
     # set titlebar. instead, using more advanced
     # titelbar below