Hi Anjali,
Before you post again would you please readWriteup Formatting Tips. Using the 'code' tags will make programs, etc. much easier to read.
Thanks,
xenchu
PS. Welcome to Perl Mongers!
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Perl has one Great Advantage and one Great Disadvantage:
It is very easy to write a complex and powerful program in three lines of code.
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The Needs of the World and my Talents run parallel to infinity.