format volume info for xmobar

gistfile1.sh

#!/usr/bin/env bash

OUTPUT=`amixer sget Master | tail -1`
VOLUME=`echo $OUTPUT | sed -r 's/.*\[([0-9]*)%\].*/\1/' | awk '{printf "%3s",$1}'`
STATUS=`echo $OUTPUT | sed -r 's/.*\[(on|off)\].*/\1/'`

if [[ "$STATUS" == "off" ]]
then
    echo "<fc=#8888FF>VOL:</fc> $VOLUME% <fc=red>Off</fc>"
else
    echo "<fc=#8888FF>VOL:</fc> $VOLUME% <fc=green> On</fc>"
fi