added bluetooth module; replaced bars with ramps

.config/polybar/scripts/bluetooth.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+# See https://github.com/polybar/polybar-scripts/pull/237
+
+bluetooth_print() {
+    bluetoothctl | while read -r; do
+        if [ "$(systemctl is-active "bluetooth.service")" = "active" ]; then
+
+            devices_paired=$(echo paired-devices | bluetoothctl | sed -n '/paired-devices/,$p' | grep Device | cut -d ' ' -f 2)
+            counter=0
+
+            echo "$devices_paired" | while read -r line; do
+                device_info=$(echo "info $line" | bluetoothctl)
+
+                if echo "$device_info" | grep -q "Connected: yes"; then
+                    device_alias=$(echo "$device_info" | grep "Alias" | cut -d ' ' -f 2-)
+
+                    if [ $counter -gt 0 ]; then
+                        printf ", %s" "$device_alias"
+                    else
+                        printf ": %s" "$device_alias"
+                    fi
+
+                    counter=$((counter + 1))
+                fi
+            done
+
+            if echo show | bluetoothctl | grep -q "Powered: no"; then
+				printf ''
+			fi
+            printf '\n'
+        else
+            echo ""
+        fi
+    done
+}
+
+bluetooth_toggle() {
+    if echo show | bluetoothctl | grep -q "Powered: no"; then
+        echo "power on" | bluetoothctl >> /dev/null
+        sleep 1
+
+        devices_paired=$(echo paired-devices | bluetoothctl | sed -n '/paired-devices/,$p' | grep Device | cut -d ' ' -f 2)
+        echo "$devices_paired" | while read -r line; do
+            echo "connect $line" | bluetoothctl >> /dev/null
+        done
+    else
+        devices_paired=$(echo paired-devices | bluetoothctl | sed -n '/paired-devices/,$p' | grep Device | cut -d ' ' -f 2)
+        echo "$devices_paired" | while read -r line; do
+            device_info=$(echo "info $line" | bluetoothctl)
+
+            if echo "$device_info" | grep -q "Connected: yes"; then
+                echo "disconnect $line" | bluetoothctl >> /dev/null
+            fi
+        done
+
+        echo "power off" | bluetoothctl >> /dev/null
+    fi
+}
+
+case "$1" in
+    --toggle)
+        bluetooth_toggle
+        ;;
+    *)
+        bluetooth_print
+        ;;
+esac
+