No: you need to specify a filehandle. 
seek FH, 0, 1;

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Take another look at the seek docs.

It's also nice to check the return status of the file operation for success: 

seek FH, 0, 1 or die "seek failed: $!";

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In reply to Re^3: Having Access to a file two times by AnomalousMonk
in thread Having Access to a file two times by sesemin

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