What syntax is used for grep() function?
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How to close a directory in perl?
What is the difference between localtime() and gmtime() functions?
Differentiate use and require?
How many loop control keywords are there in perl?
what is the function that is used to identify how many characters are there in a string?
What is the tk module?
What is the importance of perl warnings? How do you turn them on?
What purpose does each of the following serve: -w, strict, - T ?
Explain the execution of a program in perl.
Why Perl aliases are considered to be faster than references?
What is -> symbol in perl?
while(my($key, $value) = each(%hash) ) { print "$key => $value\n"; } my($key, $value); while(($key, $value) = each(%hash) ) { print "$key => $value\n"; } What is the different between these two code in case of "my" usage ?