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  1. or download this
       foreach (@$files) {
          $table{$_} = substr $_, 0, -2;  
       }
    
  2. or download this
    >perl -wMstrict -le
    "print qq{gcc $_->[0] -o $_->[1]}
    ...
    gcc foo.c -o foo
    gcc foo/bar.cc -o foo/bar
    gcc foo/bar/baz.cpp -o foo/bar/baz
    
  3. or download this
    >perl -wMstrict -le
    "print qq{gcc $_ -o @{[ s{ [.] [^.]* \z }{}xmsr ]}}
    ...
    gcc foo.c -o foo
    gcc foo/bar.cc -o foo/bar
    gcc foo/bar/baz.cpp -o foo/bar/baz