Naser Ali wrote:
Below is the actual code. This is just the preliminary code to test
the logic, it is not final yet, therefore, I am not using
"Warnings", "Strict" or for that matter anything else.

That reasoning is so very, very *wrong*. Strictures and warnings are not to be added when a program is finished. On the contrary, it's most useful when developing the program in order to have Perl instantly let you know about typos and other errors.

open(TFILE, "file.txt");

open TFILE, 'file.txt' or die "Couldn't open file for reading $!";

(I can't locate any obvious errors in your code.)

--
Gunnar Hjalmarsson
Email: http://www.gunnar.cc/cgi-bin/contact.pl

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