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Write a cgi program to show the header part?
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I have one question regarding to eval function. I know eval function is use for error checking but I am not able to understand below line. eval \'exec perl -S $0 ${1+\"$@\"}\' if 0; $0 for script name $@ set if error occur
In Perl we can show the warnings using some options in order to reduce or avoid the errors. What are that options?
Differentiate use and require?
How does a “grep” function perform?
Explain the meaning of closure in perl.
Explain a tell function in perl?
How can you create anonymous subroutines?
Write a program to concatenate the $firststring and $secondstring and result of these strings should be separated by a single space.
How to check the status of airplane mode (enable/disable) in perl for Android mobile?
How can arrays be tied?
What is the usage of -i and 0s options?
What is posix in perl?
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