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dtb 2021-11-23 04:27:11 +00:00
parent f12dbece18
commit 4695ff98ca
1 changed files with 9 additions and 6 deletions
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15
dotfiles-old/bin/volume
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@ -28,14 +28,16 @@ unknown_system(){
usage(){ usage(){
printf "\ printf "\
Usage: %b [function] (argument)\n" "$argv0" Usage: %b {function} (operand)\n" "$argv0"
printf "\ printf "\
Functions: Functions:
'+' - shortcut to \"relative \$2\"
'-' - shortcut to \"relative -\$2\"
absolute - change sound output to absolute unit absolute - change sound output to absolute unit
help - print this help output help,'' - print this help output
mute - toggle mute/unmute mute - toggle mute/unmute
relative - change sound output relative to current status relative - change sound output relative to current status
status - print current sound output in system unit status - print current sound output in system unit \
" "
printf "\ printf "\
The options are matched with [char]*. So \"%b help\" The options are matched with [char]*. So \"%b help\"
@ -45,9 +47,10 @@ works the same as \"%b h\".
exit 1 exit 1
} }
# $1 becomes 'help' if previously empty
[ -n "$1" ] \ [ -n "$1" ] \
&& argv1="$1" \ && argv1="$1" \
|| argv1=s || argv1=help
case "$argv1" in case "$argv1" in
# #
@ -99,7 +102,6 @@ case "$argv1" in
&& "$argv0" r -"$2" \ && "$argv0" r -"$2" \
|| usage || usage
;; ;;
(h*) usage ;;
(m*) (m*)
[ -z "$2" ] || usage [ -z "$2" ] || usage
# restore previous volume if there is one # restore previous volume if there is one
@ -139,5 +141,6 @@ case "$argv1" in
fi fi
"$argv0" a $newval "$argv0" a $newval
exit $? ;; exit $? ;;
(*) usage (h*) usage ;;
(*) usage ;;
esac esac