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i3blocks/sound/sound_burst.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+for i in $(seq 1 10)
+do
+    sleep 0.2
+    pkill -RTMIN+1 i3blocks
+done

i3blocks/sound/sound_info.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+VOLUME_MUTE="🔇"
+VOLUME_LOW="🔈"
+VOLUME_MID="🔉"
+VOLUME_HIGH="🔊"
+SOUND_LEVEL=$(amixer -M get Master | awk -F"[][]" '/%/ { print $2 }' | awk -F"%" 'BEGIN{tot=0; i=0} {i++; tot+=$1} END{printf("%s\n", tot/i) }')
+MUTED=$(amixer get Master | awk ' /%/{print ($NF=="[off]" ? 1 : 0); exit;}')
+
+ICON=$VOLUME_MUTE
+if [ "$MUTED" = "1" ]
+then
+    ICON="$VOLUME_MUTE"
+else
+    if [ "$SOUND_LEVEL" -lt 34 ]
+    then
+        ICON="$VOLUME_LOW"
+    elif [ "$SOUND_LEVEL" -lt 67 ]
+    then
+        ICON="$VOLUME_MID"
+    else
+        ICON="$VOLUME_HIGH"
+    fi
+fi
+
+echo "$ICON" "$SOUND_LEVEL" | awk '{ printf(" %s:%3s%% \n", $1, $2) }'
+