added example image

bt

@@ -0,0 +1,92 @@
+#!/bin/bash
+#wait time to discover new devices in seconds
+SCAN_PERIOD=5
+#locations of blacklist and hard coded list of paired devices (watch out, need to modify Makefile as well if you want to change these values and still use make install)
+BLACKLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/blacklist
+PAIRLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/paired
+actions="turn off
+turn on
+pair
+unpair"
+
+#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
+for prog in dmenu bluetoothctl awk cat; do
+   if ! hash "$prog" 2>/dev/null; then
+      printf 'bthandler: %s: command not found\n' "$prog" >&2
+      exit 127
+   fi
+done
+
+#Compile list of all Bluetooth IDS of paired devices (from bluetoothctl and from hardcoded list)
+bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{print $2}' )"
+
+#Compile list of all device Names of paired devices (from bluetoothctl and from hardcoded list)
+paired_devices="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
+
+disp_devices="$( echo "$paired_devices" | grep -vf "$BLACKLIST"  )"
+
+#Don't print empty device list, removes unnecessary empty choice in dmenu
+[ "$disp_devices" = "" ] && choice=$( echo "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
+[ "$disp_devices" != "" ] && choice=$( echo "$disp_devices" "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
+
+cleanup(){
+	bluetoothctl scan off > /dev/null
+	exit 0
+}
+
+case $choice in
+	"turn on") bluetoothctl power on
+		cleanup;;
+	"turn off") bluetoothctl power off
+		cleanup;;
+	"scan on") bluetoothctl power on && echo power on && sleep 2
+		([ -n "$TERMINAL" ] && $TERMINAL -e bluetoothctl scan on ) || st bluetoothctl scan on
+		cleanup;;
+	"pair") bluetoothctl power on
+		bluetoothctl scan on & disown
+		notify-send "Bluetooth" "Searching for devices, please wait a bit"
+		sleep $SCAN_PERIOD
+		echo "$paired_devices" > /tmp/paired_devices
+		new_devices="$( bluetoothctl devices | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' | grep -vf /tmp/paired_devices )"
+		rm -f /tmp/paired_devices
+		choice=$( echo "$new_devices" | dmenu -l 10 -i -p 'pair with which device?' )
+		if [ -n "$choice" ]; then
+			bt_IDS="$( bluetoothctl devices | awk '{print $2}' )"
+			dev_no=$( echo "$new_devices" | nl | grep "$choice" | awk '{print $1}')
+			dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
+
+			bluetoothctl pair "$dev_id" && sleep 2
+			bluetoothctl connect "$dev_id"
+			#if device is not already hard coded as paired, add to paired devices list
+			#echo grep: "$( grep "$dev_id" "$PAIRLIST" )"
+			if grep -q "$dev_id" "$PAIRLIST"
+			then
+				echo Device "$dev_id" "$choice" >> "$PAIRLIST"
+			fi
+		fi
+		cleanup;;
+	"unpair") choice=$( echo "$paired_devices" | dmenu -l 10 -i -p 'remove which paired device?')
+		if [ -n "$choice" ]; then
+			dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
+			dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
+			bluetoothctl remove "$dev_id"
+			#remove device to unpair from hard coded paired devices list
+			new_paired_list="$( grep -v "$dev_id" "$PAIRLIST" )"
+			echo "$new_paired_list" > "$PAIRLIST"
+		fi
+		cleanup;;
+esac
+
+if [ -n "$choice" ]; then
+	#echo paired_devices: "$( echo "$paired_devices" | nl )"
+	dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
+	dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}')
+	#echo dev_no:"$dev_no"
+	#echo dev_id:"$dev_id"
+	#echo choice:"$choice"
+	bluetoothctl power on
+	bluetoothctl pair "$dev_id"
+	bluetoothctl connect "$dev_id"
+fi
+
+cleanup