3 if [ "$1" = increase ]; then
5 elif [ "$1" = decrease ]; then
7 elif [ "$1" = INCREASE ]; then
9 elif [ "$1" = DECREASE ]; then
12 echo "Usage: $0 [increase|decrease|INCREASE|DECREASE]" >&2
16 exec amixer -c"`cat \"$HOME\"/.config/alsa-card`" set PCM,0 "$vol"