Use make_ndx to put all your groups in one .ndx file. It's totally unnecessary to use multiple .ndx file in one command.
Terry On Tue, May 28, 2013 at 10:18 AM, Kieu Thu Nguyen <kieuthu2...@gmail.com>wrote: > Dear users, > > Is there command for using many different index.ndx files in one command > line ? I used -n flag many times and gromacs report error. > > Thankful for any help! > Thu > -- > gmx-users mailing list gmx-users@gromacs.org > http://lists.gromacs.org/mailman/listinfo/gmx-users > * Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/Search before posting! > * Please don't post (un)subscribe requests to the list. Use the > www interface or send it to gmx-users-requ...@gromacs.org. > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists > -- gmx-users mailing list gmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! * Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org. * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists