How to read a directory in perl?
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What is the difference between exec and system?
What is the purpose of _package_ literal?
How do I send e-mail from a Perl/CGI program on a Unix system?
What are the options that can be used to avoid logic errors in perl?
How do I pass a command line argument in perl?
What do the symbols $ @ and % mean when prefixing a variable?
How will you declare a variable in perl?
What is lexical variable in perl?
How would you ensure the re-use and maximum readability of your perl code?
Which functions in perl allows you to include a module file. State their differences.
How many ways can we express string in Perl?
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?