2020-05-13 15:07:01 +02:00

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#!/bin/sh
[ "$(amixer sget Master | awk 'NR==5 { print $6 }')" = "[off]" ] && {
echo " mut" && exit 1
}
level=$(amixer sget Master | awk -F"[][]" '/dB/ { print $2 }')
revel="${level%?}"
v1=""
v2=""
v3=""
if [ "$revel" -lt 20 ]; then
echo "$v1"
elif [ "$revel" -lt 50 ]; then
echo "$v2"
elif [ "$revel" -lt 75 ]; then
echo "$v3"
fi
echo "$level"