to_if_check

#!/bin/bash
for my_iface in wan lan radio0 radio1
do
echo -n "InterfaceName:$my_iface"
case $my_iface in
wan)    if [[ $( ifstatus $my_iface | grep -i '"up":' | sed  -e 's/^.*: //' -e 's/,$//' ) == "false" ]] ; then echo " [ DOWN ]" ; else echo " [ UP ]" ; fi
;;
lan)    if [[ $( ifstatus $my_iface | grep -i '"up":' | sed  -e 's/^.*: //' -e 's/,$//' ) == "false" ]] ; then echo " [ DOWN ]" ; else echo " [ UP ]" ; fi
;;
radio0) if [[ $( wifi status | grep -i '"up":' | head -1 | sed  -e 's/^.*: //' -e 's/,$//' ) == "false" ]] ; then echo " [ DOWN ]" ; else echo " [ UP ]" ; fi
;;
radio1) if [[ $( wifi status | grep -i '"up":' | tail -1 | sed  -e 's/^.*: //' -e 's/,$//' ) == "false" ]] ; then echo " [ DOWN ]" ; else echo " [ UP ]" ; fi
;;
esac
done