// ParmFile::WritePrefixTopology() int ParmFile::WritePrefixTopology(Topology const& Top, std::string const& prefix, ParmFormatType fmtIn, int debugIn) { if (prefix.empty()) return 1; std::string newfilename = prefix + "." + Top.OriginalFilename().Base(); return WriteTopology(Top, newfilename, ArgList(), fmtIn, debugIn); }