About "head" and "Tail"

[Kan, Yu-Ting]

Dear all,

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
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