first Version

backup/eww/scripts/bluetooth.sh

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+#!/bin/bash
+
+# Get the list of connected Bluetooth devices
+devices=$(bluetoothctl devices Connected | awk '{print $2}')
+
+# Iterate through each device and get its name and battery percentage
+for device in $devices; do
+    # Get the device info using bluetoothctl
+    info=$(bluetoothctl info $device)
+
+    # Extract the name and battery percentage from the device info
+    name=$(echo "$info" | grep "Name" | awk '{ for(i=2; i<=NF; i++) printf "%s ", $i;}')
+    battery=$(echo "$info" | grep "Battery" | awk '{print $4}' | tr -d '()')
+done
+
+eww update bluetoothDevices="$name: $battery%"
+
+eww update bluetoothBattery="$battery"
+
+if [[ !$devices ]]; then
+    eww update bluetoothBattery="0"
+fi