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#!/bin/sh
. "lib_common.sh"
. "lib_handle.sh"
help() {
cat << EOF
${progname}: 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
exit 0
}
volume_handle check_program
[ $# != 1 ] && [ $# != 2 ] && invalid_use
while getopts "i:d:s:pth" option; do
case "${option}" in
i) run --reload-status volume_handle up "${OPTARG}" ;;
d) run --reload-status volume_handle down "${OPTARG}" ;;
s) run --reload-status volume_handle set "${OPTARG}" ;;
t) run --reload-status volume_handle toggle ;;
p) volume_handle get-current ;;
h) help ;;
*) invalid_use -h ;;
esac
done
invalid_use
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