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Andrew_Levenson's scratchpad

by Andrew_Levenson (Hermit)
on Mar 03, 2006 at 01:54 UTC ( #534107=scratchpad: print w/replies, xml ) Need Help??

my @name= ( "$Address{Andrew}->{Name}->{First}", "$Address{Andrew}->{Name}->{Middle}", "$Address{Andrew}->{Name}->{Last}" );
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[ovedpo15]: how fast and a good way to print error if more than one out of three variables are defined? for example if there are $a $b $c. I want that if for example $a and $b are defined - print error (also for $a and $c or $b and $c)

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