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Re^4: Make things a *little* easier

by John M. Dlugosz (Monsignor)
on Sep 12, 2002 at 20:03 UTC ( #197331=note: print w/replies, xml ) Need Help??

in reply to Re^3: Make things a *little* easier
in thread a farewell to chop

You seem to be getting different results than mdillon. That's the problem with relying on undocumented details. If you write a sub starting with my ($a,$b,$c,$d)=@_; and then calculate defaults if undef or use the undef value for some special meaning, then leaving off args naturally gives the same results. But if you write if (scalar(@_) < 4) ... to do something different, then using undef doesn't give the same effect.

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