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What is “grep” function in perl?


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More CGI Perl Interview Questions

Explain returning values from subroutines?

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What are the steps involved when the cgi program starts running?

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What does length(%HASH) produce if you have thirty-seven random keys in a newly created hash?

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Who created perl?

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Why aren't Perl's patterns regular expressions?

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What is grep used for in perl?

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There are some duplicate entries in an array and you want to remove them. How would you do that?

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Explain subroutine in perl?

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What is goto statement in perl?

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What does delete function do in perl?

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Explain substr function in perl?

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How to dereference a reference?

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