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


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More CGI Perl Interview Questions

Which operator in perl is used for the concatenation of two strings?

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Explain lists in perl?

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What are perl variables?

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How to concatenate strings in perl?

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what are the two ways to get private values inside a subroutine or block?

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What are the purpose of close(), getc() and read() functions?

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What is the difference between perl list and perl array?

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What is epoch time in perl?

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List the operator used in Perl?

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What is the usage of -i and 0s options?

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what is Chop & Chomp function does?

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“The methods defined in the parent class will always override the methods defined in the base class”. What does this statement means?

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