my-scripts/audio-control

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#!/bin/bash
CACHE_DIR="$HOME/.cache/audio-control"
[ "$#" -eq 0 ] &&
echo "Requires a command. Run with 'help' for a list of commands." &&
exit 1
[ "$#" -gt 1 ] &&
echo "Too many arguments. Run with 'help' for a list of commands." &&
exit 1
[ -d $CACHE_DIR ] ||
mkdir -p $CACHE_DIR
query_outport() {
active_port="$(pactl list sinks | grep 'Active Port')"
if [[ $active_port == *"speaker"* ]]
then
echo "SPK" > $CACHE_DIR/port
else
echo "HDF" > $CACHE_DIR/port
fi
pactl list sinks | awk '/Mute/ { if ($2 == "no") print "VOL"; else print "MUT"; }' > $CACHE_DIR/vol_status
pactl list sinks | grep '^[[:space:]]Volume:' | head -n $(( $SINK + 1 )) | tail -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,' > $CACHE_DIR/vol_level
}
case $1 in
"mute")
pactl set-sink-mute 0 toggle
pactl list sinks | awk '/Mute/ { if ($2 == "no") print "VOL"; else print "MUT"; }' > $CACHE_DIR/vol_status;;
"vol-up")
pactl set-sink-volume 0 +5%
pactl list sinks | grep '^[[:space:]]Volume:' | head -n $(( $SINK + 1 )) | tail -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,' > $CACHE_DIR/vol_level;;
"vol-down")
pactl set-sink-volume 0 -5%
pactl list sinks | grep '^[[:space:]]Volume:' | head -n $(( $SINK + 1 )) | tail -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,' > $CACHE_DIR/vol_level;;
"reset")
pactl set-sink-volume 0 50%
pactl list sinks | grep '^[[:space:]]Volume:' | head -n $(( $SINK + 1 )) | tail -n 1 | sed -e 's,.* \([0-9][0-9]*\)%.*,\1,' > $CACHE_DIR/vol_level;;
"toggle-port")
query_outport;;
"help")
echo "USAGE: audio-control <command>
Commands:
mute toggle mute
vol-up raise the volume
vol-down lower the volume
reset reset volume (to round number)
toggle-port toggle the output port
help show this help information";;
*)
echo "Invalid command. Run with 'help' for a list of commands."
exit 1;;
esac