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#!/bin/sh
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### Usage
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### -r or --raise to raise the voulmn by 5%
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### -l or --lower to lower the voulmn by 5%
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### -t or --toggle to toggle mute and unmute
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# notify osd expire time delay in ms
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expireTimeNotifyOSD=3000
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currentId=1
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tmpFile=/tmp/currentVolumnNotifyId
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# gets the current notify id from our tmp file
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if [ -s $tmpFile ]
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then
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currentId=$(cat $tmpFile)
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fi
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# execute amixer action based on param
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if [ $1 == '--raise' ] || [ $1 == '-r' ]
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then
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amixer -D pulse sset Master 5%+
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noToggle=true
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elif [ $1 == '--lower' ] || [ $1 == '-l' ]
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then
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amixer -D pulse sset Master 5%-
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noToggle=true
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elif [ $1 == '--toggle' ] || [ $1 == '-t' ]
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then
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amixer -D pulse set Master 1+ toggle
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fi
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currentVolumn=$(amixer -D pulse get Master | egrep -o '[0-9]{1,3}' | tail -n 1)
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volumnIsMuted=$(amixer -D pulse get Master | egrep -o 'off' | tail -n 1)
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# get icon based on current volumn
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if [ $volumnIsMuted ]
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then
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icon=audio-volume-muted
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else
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icon=audio-volume-low
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if [ $currentVolumn -gt 60 ]
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then
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icon=audio-volume-high
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elif [ $currentVolumn -gt 30 ]
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then
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icon=audio-volume-medium
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fi
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fi
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# execute the notify-send command
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if [ $noToggle ]
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then
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notify-send "Volume" -p -t $expireTimeNotifyOSD -r $currentId -i $icon -h int:value:$currentVolumn > $tmpFile
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else
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if [ $volumnIsMuted ]
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then
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notify-send "Volume muted" -p -t $expireTimeNotifyOSD -r $currentId -i $icon -h int:value:0 > $tmpFile
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else
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notify-send "Volume unmuted" -p -t $expireTimeNotifyOSD -r $currentId -i $icon -h int:value:$currentVolumn > $tmpFile
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fi
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fi
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