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travis-g/vol_change.sh

Last active August 29, 2015 14:07
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Volume change hotkey script
Raw
vol_change.sh
#!/bin/bash
# by @travis-g, WTFPL 2 (https://wtfpl2.com/)
function showHelp() {
echo "Usage: vol_change.sh [up|down INT]
"; exit $1; }
if [[ ! $@ ]] ; then showHelp 1; fi # show help if no opts
i=5 && [[ $2 =~ ^[0-9]+$ ]] && i=$2 # set base increment
case $1 in
"up") i=$i"+";;
"down") i=$i"-";;
"-h"|"help") showHelp 0;;
esac;
amixer set Master $i
# vim: set ts=2 ft=bash
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