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110 lines
1.9 KiB
110 lines
1.9 KiB
5 years ago
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#!/bin/sh
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# Control the volume
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# Depends: pamixer
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help() {
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B=$(tput bold)
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U=$(tput smul)
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N=$(tput sgr0)
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cat << EOF
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${B}NAME${N}
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volctl.sh - control the volume
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${B}SYNOPSIS${N}
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${B}volctl.sh${N} [${U}OPTION${N}] [${U}COMMAND${N}] [<${U}ARG${N}>]
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${B}DESCRIPTION${N}
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${B}volctl.sh${N} uses pamixer to change the volume of the system.
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Commands can be truncated, i.e. "${B}volctl.sh t${N}" for "${B}volctl.sh toggle${N}"
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Arguments need to be of numeric value.
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${B}OPTIONS${N}
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${B}-h${N} Display usage message and exit.
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${B}COMMANDS${N}
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${B}i${N} <${U}AMOUNT${N}>, ${B}inc${N} <${U}AMOUNT${N}>
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Increase volume by ${U}AMOUNT${N}, default of 2.
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${B}d${N} <${U}AMOUNT${N}>, ${B}dec${N} <${U}AMOUNT${N}>
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Decrease volume by ${U}AMOUNT${N}, default of 2.
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${B}s${N} <${U}LEVEL${N}>, ${B}set${N} <${U}LEVEL${N}>
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Set volume to ${U}LEVEL${N}, default of 0.
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${B}t${N}, ${B}toggle${N}
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Toggle mute.
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${B}m${N}, ${B}mute${N}
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Mute volume.
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${B}u${N}, ${B}unmute${N}
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Unmute volume.
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${B}getv${N}, ${B}getvolume${N}
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Get volume level.
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${B}getm${N}, ${B}getmute${N}
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Get mute status.
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EOF
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}
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# Exit if no option is provided
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[ "$#" -eq 0 ] && help && exit 1
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SCRIPT="$(basename "$0")"
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# Option handling
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while getopts ':h?' opt; do
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case $opt in
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h)
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help
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exit 0
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;;
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\?)
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echo "$SCRIPT: invalid option '$OPTARG'"
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echo "Try '$SCRIPT -h' for more information."
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exit 1
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;;
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esac
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done
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# Command handling
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shift $((OPTIND - 1))
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case "$1" in
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i*)
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NUM=${2:-2}
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pamixer --increase "$NUM"
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;;
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d*)
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NUM=${2:-2}
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pamixer --decrease "$NUM"
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;;
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s*)
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NUM=${2:-0}
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pamixer --set-volume "$NUM"
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;;
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t*)
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pamixer --toggle-mute
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;;
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m*)
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pamixer --mute
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;;
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n*)
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pamixer --unmute
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;;
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getv*)
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pamixer --get-volume
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;;
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getm*)
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pamixer --get-mute
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;;
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*)
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echo "$SCRIPT: invalid command '$1'"
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echo "Try '$SCRIPT -h' for more information."
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exit 1
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;;
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esac
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