#!/bin/dash if=$1 status (){ status=$(cat /sys/class/net/wlan0/operstate) if [ "$status" != "down" ]; then ssid="$(iw dev wlan0 link | grep SSID | cut -d':' -f2)" fi echo "{\"status\": \"$status\", \"ssid\": \"$ssid\"}" } status iwevent 2> /dev/null | while read -r line; do status done