various improvements

[distro-setup] / brc

diff --git a/brc b/brc
index 470c143f87a160b931ec323aeaff1840fbcc705f..6389c8763dc249881d010b671daf10894d66febe 100644 (file)
--- a/brc
+++ b/brc
@@ -224,6 +224,7 @@ export PROFILE_TASKS_TASK_OUTPUT_LIMIT=100
 # i for insensitive. the rest from
 # X means dont remove the current screenworth of output upon exit
 # R means to show colors n things
+# a useful flag is -F aka --quit-if-one-screen
 export LESS=RXij12
 export SYSTEMD_LESS=$LESS
 
@@ -260,6 +261,8 @@ if [[ $SOE ]]; then
 fi
 
 
+
+
 mysrc() {
   local path dir file
   path=$1
@@ -435,7 +438,7 @@ cl() {
   # we have ~33 buttons as of this writing, so lets
   # prune down the history every once in a while.
   if (( start > 500 )); then
-    tac ~/.cdirs | awk '!seen[$0]++' | head -n 200 | sponge ~/.cdirs
+    tac ~/.cdirs | awk '!seen[$0]++' | head -n 200 | tac | sponge ~/.cdirs || [[ $? == 141 ]]
   fi
 
   for (( j=$start; j >= 0; j-- )); do
@@ -458,7 +461,7 @@ cl() {
   fi
   read -r -N 1 input
   if [[ $input != $'\n' ]]; then
-    c ${buttondirs[$input]}
+    c "${buttondirs[$input]}"
   fi
 }
 # back list
@@ -703,7 +706,7 @@ bwm() {
 }
 
 
-# for running in a fai rescue
+# for running in a fai rescue. iank specific.
 kdrescue() {
   d=vgata-Samsung_SSD_850_EVO_2TB_S2RLNX0J502123D
   for f in $d vgata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V; do
@@ -836,6 +839,10 @@ cat-new-files() {
 
 }
 
+chownme() {
+  s chown -R $USER:$USER "$@"
+}
+
 # shellcheck disable=SC2032
 chown() {
   # makes it so chown -R symlink affects the symlink and its target.
@@ -856,6 +863,10 @@ cim() {
 d() { builtin bg "$@"; }
 ccomp bg d
 
+# f would be more natural, but i already am using it for something
+z() { builtin fg "$@"; }
+ccomp fg z
+
 dc() {
   diff --strip-trailing-cr -w "$@"   # diff content
 }
@@ -869,6 +880,26 @@ despace() {
   done
 }
 
+# df progress
+# usage: dfp MOUNTPOINT [SECOND_INTERVAL]
+# SECOND_INTERVAL defaults to 90
+dfp() {
+  # mp = mountpoint
+  local a b mp interval
+  mp=$1
+  interval=${2:-90}
+  if [[ ! $mp ]]; then
+    echo "dfp: error, missing 1st arg" >&2
+    return 1
+  fi
+  while true; do
+    a=$(df --output=used $mp | tail -n1)
+    sleep $interval
+    b=$(df --output=used $mp | tail -n1)
+    printf "used mib: %'d  mib/min: %s\n" $(( b /1000 )) $(( (b-a) / (interval * 1000 / 60 ) ))
+  done
+}
+
 # get ipv4 ip from HOST. or if it is already a number, return that
 hostip() {
   local host="$1"
@@ -942,7 +973,8 @@ ea() {
     printf "%s" "${arg}" |& hexdump -C
   done
 }
-# echo vars. print var including escapes, etc
+
+# echo variables. print var including escapes, etc, like xxd for variable
 ev() {
   if (( ! $# )); then
     echo no args
@@ -2362,7 +2394,7 @@ s/^\Wcapability: (.*)/\1/;Ta;h;b
 # and changing directory, so we don't have any open
 # directories or files that could cause problems when
 # remounting.
-z() {
+zr() {
   local tmp
   tmp=$(type -p "$1")
   if [[ $tmp ]]; then