'''file extension''' ''name''

Returns all of the characters in ''name'' after and including the last dot in the last element of ''name''. If there is no dot in the last element of ''name'' then returns the empty string.

== Related Links ==

   * FileInfo.net - The File Extensions Resource : http://www.fileinfo.net/

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See also:

   * [file]
   * [file rootname]
   * [file tail]

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