Umm.. try running the example he gave (or reading the node more closely). It does match the last part of the filename following the final dot. So if you run:
perl -MFile::Basename -e 'print join ":", fileparse("foo.bar.baz", "\\
+.[^.]+"), "\n"'
It produces foo.bar as the filename, ./ as the directory and baz as the extension. A few more filenames and results follow:
Input filename | Base name | Extension |
foo.bar.baz | foo.bar | baz |
foo.bar | foo | bar |
foo | foo | none |
-ben
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