use strict; use warnings; Use strict and warnings (then fix the errors)
Seriously? Which errors? How does adding that text to the start of the OP's program help him solve his problem?
use open properly
As opposed to opening the files he wants to read, as he does already?

*sigh*

In reply to Re^4: difference between two files by educated_foo
in thread difference between two files by varalaxmibbnl

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