How can we create perl programs in unix, windows nt, macintosh and os/2 ?

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What does next statement do in perl?

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What is cpan in perl?

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List the prefix dereferencer in Perl.

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Define operators used in perl?

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while(my($key, $value) = each(%hash) ) { print "$key => $value\n"; } my($key, $value); while(($key, $value) = each(%hash) ) { print "$key => $value\n"; } What is the different between these two code in case of "my" usage ?

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How and what are closures implemented in perl?

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What are some common methods to all handles in perl?

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How does a “grep” function perform?

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Explain string comparison operators in perl.

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Mention the difference between die and exit in Perl?

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How to get help for perl?

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