sid.sh

#!/bin/bash
  if [ -e ~/.sidd ]; then
  /sbin/iwconfig wlan0 | /sbin/iwconfig wlan0 | grep ESSID |cut -c 31-43 > .sidd
  else
  touch ~/.sidd
  /sbin/iwconfig wlan0 | /sbin/iwconfig wlan0 | grep ESSID |cut -c 31-43 > .sidd
  fi
 if [ "$(cat .sidd)" = "" ]; then
 echo "Nicht verbundeno!"
 else
 cat .sidd |  sed 's/ID:"//'
 fi