power menu, redshift, polybar

.config/polybar/scripts/system-bluetooth-bluetoothctl/README.md

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+# Script: system-bluetooth-bluetoothctl
+
+A shell script which displays the status of bluetooth and the paired devices.
+
+Use the toggle option to power on the controller and try to connect to all paired devices or to disconnect all connections and turn off the controller.
+
+![system-bluetooth-bluetoothctl](screenshots/1.png)
+
+
+## Dependencies
+
+* `bluetoothctl`
+
+
+## Configuration
+
+Use the `set-alias` feature of `bluetoothctl` to customize your device names.
+
+To enable battery level detection set `Experimental = true` in `/etc/bluetooth/main.conf`.
+
+
+## Module
+
+```ini
+[module/system-bluetooth-bluetoothctl]
+type = custom/script
+exec = ~/polybar-scripts/system-bluetooth-bluetoothctl.sh
+tail = true
+click-left = ~/polybar-scripts/system-bluetooth-bluetoothctl.sh --toggle &
+```

.config/polybar/scripts/system-bluetooth-bluetoothctl/system-bluetooth-bluetoothctl.sh

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+#!/bin/sh
+
+bluetooth_print() {
+    bluetoothctl | grep --line-buffered 'Device\|#' | while read -r REPLY; do
+        if [ "$(systemctl is-active "bluetooth.service")" = "active" ]; then
+            printf '#1'
+
+            devices_paired=$(bluetoothctl devices Paired | grep Device | cut -d ' ' -f 2)
+            counter=0
+
+            for device in $devices_paired; do
+                device_info=$(bluetoothctl info "$device")
+
+                if echo "$device_info" | grep -q "Connected: yes"; then
+                    device_output=$(echo "$device_info" | grep "Alias" | cut -d ' ' -f 2-)
+                    device_battery_percent=$(echo "$device_info" | grep "Battery Percentage" | awk -F'[()]' '{print $2}')
+
+                    if [ -n "$device_battery_percent" ]; then
+                        if [ "$device_battery_percent" -gt 90 ]; then
+                            device_battery_icon="#25"
+                        elif [ "$device_battery_percent" -gt 60 ]; then
+                            device_battery_icon="#24"
+                        elif [ "$device_battery_percent" -gt 35 ]; then
+                            device_battery_icon="#23"
+                        elif [ "$device_battery_percent" -gt 10 ]; then
+                            device_battery_icon="#22"
+                        else
+                            device_battery_icon="#21"
+                        fi
+
+                        device_output="$device_output $device_battery_icon $device_battery_percent%"
+                    fi
+
+                    if [ $counter -gt 0 ]; then
+                        printf ", %s" "$device_output"
+                    else
+                        printf " %s" "$device_output"
+                    fi
+
+                    counter=$((counter + 1))
+                fi
+            done
+
+            printf '\n'
+        else
+            echo "#2"
+        fi
+    done
+}
+
+bluetooth_toggle() {
+    if bluetoothctl show | grep -q "Powered: no"; then
+        bluetoothctl power on >> /dev/null
+        sleep 1
+
+        devices_paired=$(bluetoothctl devices Paired | grep Device | cut -d ' ' -f 2)
+        echo "$devices_paired" | while read -r line; do
+            bluetoothctl connect "$line" >> /dev/null
+        done
+    else
+        devices_paired=$(bluetoothctl devices Paired | grep Device | cut -d ' ' -f 2)
+        echo "$devices_paired" | while read -r line; do
+            bluetoothctl disconnect "$line" >> /dev/null
+        done
+
+        bluetoothctl power off >> /dev/null
+    fi
+}
+
+case "$1" in
+    --toggle)
+        bluetooth_toggle
+        ;;
+    *)
+        bluetooth_print
+        ;;
+esac