How do you give functions private variables that retain their values between calls?


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More CGI Perl Interview Questions

Write a program that shows the distinction between child and parent process?

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Explain what is the scalar data and scalar variables in Perl?

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Differentiate between c++ and perl.

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How will you declare a variable in perl?

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What syntax is used for grep() function?

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What exactly is grooving and shortening of the array?

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What is the closure in PERL?

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What is the use of -w, -t and strict in Perl?

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Explain perl. When do you use perl for programming?

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How can you create anonymous subroutines?

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What does redo statement do in perl?

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You want to empty an array. How would you do that?

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