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


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More CGI Perl Interview Questions

Write a cgi program to show the header part?

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What is a perl references?

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What does read () command do?

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What are the logical operators used for small scale operations?

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List all the features of perl programming?

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How the interpreter is used in Perl?

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Explain '->' in perl?

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You want to add two arrays together. How would you do that?

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Explain goto expr?

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Explain the functioning of conditional structures in perl.

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i have a folder called 'error' and in that, i have error log files which are generated by the build, now i want to findout the string 'error' from each log file and that error has to be copied into the another file called 'analysis'. how do you do this in perl?

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How to concatenate strings in perl?

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