How to dereference a reference?

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my @array=('data1','data2'); my @array1=('data1','data2'); my ($i,$k); $i=7; $k=7; while($i){ $array [++$#array] = 'ree'; $i--; print "@array"; } while($k){ push(@array1,'ree'); $k--; print "@array1"; } Are these two while loop are doing the same functionality ? What may be the difference?

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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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Give an example of using the -n and -p option.

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How can you replace the characters from a string and save the number of replacements?

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Why should I use the -w argument with my Perl programs?

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I have created a CGI-based page,after entering all the values in to the fields, How to get the output on the web browser using Perl

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Write the program to process a list of numbers.

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What is 'commit' command in perl?

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What is caller function in perl?

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Assuming both a local($var) and a my($var) exist, what's the difference between ${var} and ${"var"}?

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What are the steps involved in configuring a server using cgi programming?

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