See eof: 
open(my $fh, '>', 'f00') or die $!;
seek($fh, 100, 0) or die "seek:$!";
print "eof!" if eof($fh);
close($fh);

[download]

cp
----
"Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic."

In reply to Re: seek function always returns true by crouchingpenguin
in thread seek function always returns true by rudyg123

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