Actually, bart is saying it returns !1 which is really scalar false. It is subtly different than "" as can be seen here: 

$ perl -wle 'print "yes" if !1 == 0 '
yes
$ perl -wle 'print "yes" if "" == 0 '
Argument "" isn't numeric in numeric eq (==) at -e line 1.
yes

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-sauoq
"My two cents aren't worth a dime.";

In reply to Re^5: "last expression" quiz by sauoq
in thread "last expression" quiz by fxn

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