How to run a bash script?

[gthshsxth]

Hello!

I have a bash script.sh

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#!/bin/bash

echo > /home/pic/Desktop/file.txt
I want to run this script.sh from the fhem
So I added a file fhem.cfg such a line

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define TuerNotify notify { system("/home/pic/Desktop/script.sh") }

(http://s24.postimg.org/4s907sg81/2015_01_08_183724_860x616_scrot.jpg)
But on the desktop file has not been created file.txt
As script.sh fhem run to set up file.txt?

[DerFrickler]

does fhem has writing permission in the directory you want to create the file? you should take care about what is possible to execute in the console directly (maybe as root) and what is executed from fhem with fhem-user permission.