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#!/bin/sh
default_sink=
default_sink_nickname=
get_default_sink (){
default_sink="$(pactl info | grep Sink | awk '{print $3}')"
}
get_default_sink_nickname (){
sink_list="$(pactl list sinks\
| grep -e Name -e alsa.card_name\
| sed -e 's/^\ *//' -e 's/\ *$//')"
found_default_sink="0"
while IFS= read line; do
# Trim line depending on content.
if [ "$(echo $line | cut -d' ' -f1)" = "Name:" ]; then
line="$(echo $line | cut -d' ' -f2)"
else
line="$(echo $line | cut -d' ' -f3- | sed 's/\"//g')"
fi
# If fond default_sink, get and set the nickname, then exit.
if [ $found_default_sink = "1" ]; then
default_sink_nickname="$line"
break;
fi
# If current line is the default sink, set a flag.
if [ $default_sink = "$line" ]; then
found_default_sink="1"
fi
done <<EOF
$sink_list
EOF
# The above line need not to have a space before EOF.
}
# Similar to get_default_sink_nickname, just shorter.
set_next_sink (){
sink_list="$(pactl list sinks\
| grep -e Name\
| sed -e 's/^\ *//' -e 's/\ *$//'\
| cut -d' ' -f2)"
# Some flags because I don't know a better way to do this, lol.
found_default_sink="0"
setted_after_finding_default_sink="0"
first_found_sink="0"
while IFS= read line; do
if [ $found_default_sink = "1" ]; then
pactl set-default-sink $line
setted_after_finding_default_sink="1"
fi
if [ $default_sink = $line ]; then
found_default_sink="1"
else
# In case the first line is not he default sink,
# store the first found sink in case the default sink,
# is at the end of the variable (in which case the while loop
# exits and we no longer know which one is next [next would be the first
# line ;) ])
if [ $first_found_sink = "0" ]; then
first_found_sink="$line"
fi
fi
done <<EOF
$sink_list
EOF
# If the next sink wasn't set after finding the default sink, it means
# the next sink is actually the first sink, so, set it here
if [ $setted_after_finding_default_sink = "0" ]; then
pactl set-default-sink $first_found_sink
fi
}
case "$1" in
get-sink)
get_default_sink
get_default_sink_nickname
notify-send "Current sink" "$default_sink_nickname"
;;
next-sink)
get_default_sink
get_default_sink_nickname
set_next_sink
get_default_sink
get_default_sink_nickname
notify-send "Changed to sink" "$(echo $default_sink_nickname)"
;;
esac
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