Tips for Writing Effective Perl Scripts. CPAN Modules: Utilize the Comprehensive Perl Archive Network (CPAN) to extend Perl's functionality. Debugging: Use Perl’s built-in debugging tool with perl -d ...

perl -p -i -e '$_ = "$. $_"' myfile This one takes a bit of explanation. The $. variable contains the line number, so the command reads “change the line to the line preceded by the line number”.

Web reports can be produced in a lot of ways using any of the many server-side programming technologies, such as PHP, JSPs, Perl scripts and the like. Standalone desktop reporting tools also are ...