> I encounter fail message when using the head and tail function.
> Is it able to have variables as parameters
>
> the line :
> $result = head -n $get $Alarm_File;
>
> where $get is the number of lines and $Alarm_File is the file name.
> when it execute...error message come "Unrecognized file test: -n at
> GenAlarm.pl line 70."
> Thanks a lot.
> Kan
If it was a function you'd call it like this :
$result head '-n', $get, $Alarm_File;
but since it is an EXTERNAL program (or a command of the shell) you
have to call it like this :
$result = `head -n $get $Alarm_File`;
Notice the backticks !
Jenda
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