The code that you suggested did work perfectly but i did not understand the concept behind it. It would be good if you can tell me what exactly is happening there. Also why did the following did not work 

require pckg1::pckg2::$filename;
$result= pckg1::pckg2::$filename::functionname(argument list)

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the above one is giving the error of BAD code after ::

In reply to Re^2: filename dynamic by PiyaPerl
in thread filename dynamic by PiyaPerl

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