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dotfiles/sketchybar/plugins/volume.sh

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#!/bin/sh
# The volume_change event supplies a $INFO variable in which the current volume
# percentage is passed to the script.
if [ "$SENDER" = "volume_change" ]; then
VOLUME=$INFO
case $VOLUME in
[6-9][0-9] | 100)
ICON="􀊩"
;;
[3-5][0-9])
ICON="􀊥"
;;
[1-9] | [1-2][0-9])
ICON="􀊡"
;;
*) ICON="􀊣" ;;
esac
sketchybar --set $NAME icon="$ICON" label="$VOLUME%"
fi