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Answer:

answer re: How do I check if a Perl scalar variable has been initialized?
Sep 17 '10
36

Perl doesn't offer a way to check whether or not a variable has been initialized.

However, scalar variables that haven't been explicitly initialized with some value happen to have the value of undef by default. You are right about defined being the right way to check whether or not a…

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Perl doesn't offer a way to check whether or not a variable has been initialized

Pathetic

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