What is warn function in perl?

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Explain goto expr?

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Explain about the applications of perl?

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How to count no of occurrence of a unique patterns in perl?

4 Answers   Ness Technologies,

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Explain splicing of arrays?

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

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

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What is the use of "stderr()"?

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What is the use of –w?

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What happens in dereferencing?

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List the files in current directory sorted by size ?

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