What are the various flags/arguments that can be used while executing a perl program?

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Why we use "use lib $path"?

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Suppose an array contains @arraycontent=(‘ab’, ‘cd’, ‘ef’, ‘gh’). How to print all the contents of the given array?

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What is lexical variable in perl?

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How to prevent file truncation in perl?

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If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?

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i have a folder called 'error' and in that, i have error log files which are generated by the build, now i want to findout the string 'error' from each log file and that error has to be copied into the another file called 'analysis'. how do you do this in perl?

5 Answers   HP,

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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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Why Perl aliases are considered to be faster than references?

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What are the different instances used in cgi overhead?

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“Perl regular expressions match the longest string possible”. What is the name of this match?

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What is automatic error handling in perl?

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