\input docstrip \nopreamble \askforoverwritefalse \generate{\file{vietnam.sty}{\from{vntex.dtx}{vietnam}}} \generate{\file{vntex.sty}{\from{vntex.dtx}{vntex}}} \generate{\file{vietnam.ldf}{\from{babel-vi.dtx}{vn}}} \generate{\file{vietnamese.ldf}{\from{babel-vi.dtx}{vi}}} \endbatchfile