The normal reason for setting a value (as opposed to leaving a parameter undefined) is to provide a sane default for the parameter. If you have no need for such a default, by all means leave the value undefined - caveat that you will have to explicitly test for this later, of course.

In reply to Re: Getopt::Long to define or not to define? by moot
in thread Getopt::Long to define or not to define? by jordanh

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