echo "=== WIFI: Disconnect ==="

# verify input argument if present
[ $# -gt 0 ] && ! echo $1 | grep -q "^wlan[0-9]$" && echo "syntax $0 [interface]" && exit 1

WLANINTF=wlan0
[ $1 ] && WLANINTF=$1

alias wcmd="wpa_cli -i$WLANINTF -p/tmp/wpa_ctrl"
wcmd disconnect

