On Fri, 14 Nov 2008, Zhao Zhang wrote: > Hi, Sorry for the late response, the source code is here: > http://www.ci.uchicago.edu/~zzhang/dock3.swift I think this will not work: string mname=p.mname; Ligand mfile <single_file_mapper;file=mname>; You should be able to remove those two lines and say: Ligand mfile <single_file_mapper;file=p.mname>; --