volume script added

1 files changed, 62 insertions, 0 deletions

diff --git a/scripts/setvol b/scripts/setvol
new file mode 100755
index 0000000..4bbc1ec
--- /dev/null
+++ b/scripts/setvol
@@ -0,0 +1,62 @@
+#!/bin/sh
+
+err() {
+	printf "${1} \n"
+	exit 1
+}
+
+help() {
+cat << EOF
+$0: Wrapper script to change volume
+
+options:
+ -i [Vol]	Increase volume by Vol
+ -d [Vol]	Decrease volume by Vol
+ -s [Vol] 	Set volume to Vol
+ -p		Show the current volume
+ -t		Toggle between mute and unmute
+ -h 		Print this message and exit
+EOF
+}
+
+if [ $# != 1 ] && [ $# != 2 ]; then
+	err "${0}: Invalid usage\nTry \'$0 -h\' for help."
+fi
+
+while getopts "i:d:s:pth" option; do
+	case "${option}" in
+	i)
+		pactl set-sink-volume @DEFAULT_SINK@ +"${OPTARG}"% \
+		> /dev/null 2>&1 && exit 0 \
+		|| err "${0}: Failed to increase"
+	;;
+	d)
+		pactl set-sink-volume @DEFAULT_SINK@ -"${OPTARG}"% \
+		> /dev/null 2>&1 && exit 0 \
+		|| err "${0}: Failed to decrease"
+	;;
+	s)
+		pactl set-sink-volume @DEFAULT_SINK@ "${OPTARG}"% \
+		> /dev/null 2>&1 && exit 0 \
+		|| err "${0}: Failed to set"
+	;;
+	p)
+		pactl get-sink-volume @DEFAULT_SINK@ 2>/dev/null\
+		|| err "${0}: Failed"
+	;;
+	t)
+		pactl set-sink-volume @DEFAULT_SINK@ toggle \
+		> /dev/null 2>&1 && exit 0 \
+		|| err "${0}: Failed to toggle"
+	;;
+	h)
+		help
+		exit 0
+		;;
+	*)
+		err "Try \'${0} -h\' for help"
+
+	;;
+
+	esac
+done