What happens in dereferencing?


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More CGI Perl Interview Questions

What does length(%HASH) produce if you have thirty-seven random keys in a newly created hash?

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Explain the meaning of subroutine?

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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 tk?

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What are perl variables?

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