[wifi_dmenu.sh]: add wifi_dmenu.sh

README.md

@@ -34,3 +34,4 @@
  laptop to my phone.
  - `trippy.sh`: script that displays random visual data to the screen (only works when called from a TTY, by a user who has write access to the `fb0` device, e.g. `root`).
  - `webcam.sh`: one-line script that uses the video viewer program `mpv` as a webcam by using `/dev/video0` as its video file source.
+ - `wifi_dmenu.sh`: script to connect to an available WiFi network with a dmenu prompt. 

wifi_dmenu.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+# Script to connect to an available WiFi network with a dmenu prompt. 
+
+notify-send "$(basename "$0")" "Scanning for available networks..."
+
+# cutting the first 9 characters of the nmcli output as it will contain empty fields which will mess up awk parsing
+$(nmcli connection up $( nmcli device wifi list | cut --characters=9- | awk '(NR > 1){ print $2}' | sort | uniq | dmenu -p "Connect to network: "))