in reply to Testing for filled-in box with CGI::param() ?

No. If it's possible for param to return "undef" then defined $var can be false.

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Re: Re: Lexical variables question
by sweetblood (Prior) on Aug 12, 2003 at 14:18 UTC
    But only a return of "undef" will cause defined to be false, anything else and $var is still defined, even a blank.
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