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Re: "defined" in while loop Edit | Delete | Quote | Reply | Private Reply

by ELISHEVA (Prior)
on Feb 16, 2009 at 23:25 UTC ( [id://744237]=note: print w/replies, xml ) Need Help??

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  1. or download this
     my $x = undef;   #clears out $x and makes it undefined
 my $y = $x;      #since $x is undefined, so is $y

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