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What does the qx{ } operator do?


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Difference between the variables in which chomp function work ?

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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

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What are arrays in perl?

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