\input l3docstrip.tex
\askforoverwritefalse
\generate
{%
  \file{arsenal.sty}{\from{arsenal.dtx}{package}}%
}
\generate
{%
  \file{sample-math-iwona.tex}{\from{sample-math.dtx}{iwona}}%
  \file{sample-math-kpsans.tex}{\from{sample-math.dtx}{kpsans}}%
  \file{sample-math-arsenal+kpsans.tex}{\from{sample-math.dtx}{arsenal+kpsans}}%              
}
\endbatchfile