What messages appeared in the error log?

500 is an "internal server error" which should be documented in the error log.

While developping you could use

use CGI::Carp qw(fatalsToBrowser);

to see fatal error messages (e.g. die messages) in the resulting error page...

In reply to Re^5: Problem printing contents of file by linuxer
in thread Problem printing contents of file by ketaki

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