\RequirePackage{ifthen}
\def\aabasenamex#1.#2,#3{#1}
\def\aafiletypex#1.#2,#3{#2}
\def\aabasename{\expandafter\aabasenamex\RCSRCSfile}
\ifthenelse{\equal{\@clsextension}{\expandafter\aafiletypex\RCSRCSfile}}{%
  \def\aafiletype{Class}}{%
  \def\aafiletype{Package}}
\ifthenelse{\equal{OK}{\RCSState}}{%
  \def\aastate{ }}{%
  \def\aastate{ (\RCSState) }}
\typeout{\aafiletype: `\aabasename' v\RCSRevision\aastate
  <\RCSRawDate> (\RCSAuthor)}
\NeedsTeXFormat{LaTeX2e}
\ifthenelse{\equal{\aafiletype}{Class}}{%
  \ProvidesClass{\aabasename}[\RCSRawDate]}{%
  \ProvidesPackage{\aabasename}[\RCSRawDate]}
