What is boolean context?

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Explain gmtime() function in perl?

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

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Explain goto expr?

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

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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 are scalars?

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Which statement has an initialization, condition check and increment expressions in its body? Write a syntax to use that statement.

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Explain subroutine?

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What is perl unshift array function?

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How do I debug a perl program?

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Explain lexical variables.

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