I do not understand a code ... 
while ( <> ) {
   @D2{ map { my $l = lc; exists $stopwords{$l}?():$l } split /\W+/ } 
+= ();
}

[download]
can anyone explain what it means? especially the sign of ?():$l thanks

Code tags - dvergin 2003-02-04
Title edit by tye.   $title =~ s/[:ONE:]/[:ELL:]/ by dvergin.

In reply to What does ?():$l mean? by Anonymous Monk

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