power menu, redshift, polybar

.config/polybar/scripts/info-camera-mic/README.md

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+# Script: info-camera-mic
+
+A shell script for displaying an indicator of camera and microphone usage.
+
+![info-camera-mic](screenshots/1.png)
+
+
+## Module
+
+```ini
+[module/info-camera-mic]
+type = custom/script
+exec = ~/polybar-scripts/info-camera-mic.sh
+interval = 5
+```

.config/polybar/scripts/info-camera-mic/info-camera-mic.sh

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+#!/bin/sh
+
+if lsof /dev/video0 >/dev/null 2>&1; then
+    camera="#1"
+fi
+
+if pacmd list-sources 2>&1 | grep -q RUNNING; then
+    mic="#2"
+fi
+
+echo "$camera $mic"