What is the use of –w?

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Why does Perl not have overloaded functions?

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What are the benefits of perl in using it as a web-based application?

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In CPAN module, name an instance you use.

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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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Explain lexical variables.

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How to get help for perl?

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What is v-strings?

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Explain goto expr?

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Explain string comparison operators in perl.

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

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What are the different instances used in cgi overhead?

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