Write an example explaining the use of symbol tables.
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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
How do you turn on the perl warnings?
“Perl regular expressions match the longest string possible”. What is the name of this match?
How do I replace every character in a file with a comma?
Explain chomp, chop, cpan, tk.
Write a cgi program to show the header part?
How to renaming a file in perl programming?
What?s your favorite module and why?
What are some of the key features of objects in perl?
What is the difference between localtime() and gmtime() functions?
What are scalar data and scalar variables?
Explain about the applications of perl?