How to know whether a key exists or not in perl?


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More CGI Perl Interview Questions

Explain the use of 'my' keyword in perl?

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what r the different type of function in perl ???

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How to read file into hash array ?

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explain the various functions/directives in perl that allow you to include/import a module. Also, state the differences between them.

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Explain ivalue in perl?

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What is “grep” function in perl?

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Which of these is a difference between Perl and C++ ?

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How to check the status of airplane mode (enable/disable) in perl for Android mobile?

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Differentiate between c++ and perl.

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What are the various uses of perl?

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What does `new $cur->{LINK}' do? (Assume the current package has no new() function of its own.)

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What is chomp() operator/function?

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