Automatically try to connect to a hidden network when WiFi is enabled

nmcli-auto-connect.sh

#!/bin/sh
#
# Automatically try to connect to "MyNetworkId" when WiFi is enabled
#
# https://askubuntu.com/questions/9014/auto-connect-to-hidden-wireless-without-elevating-privilege
# ...also adjust permissions

# the output of nmcli should be in English
LC_ALL=C

# loop for a while until NetworkManager is accepting commands
while [ "$(nmcli -t -f WIFI,STATE g)" = 'enabled:disconnected' ]
do
  nmcli c up id MyNetworkId
  sleep 5
done

exit 0