cif_overlay - overlay atoms from each pair of CIFs given on the command line.

       Overlay atoms from each pair of CIFs given on the command line.

       cif_overlay - overlay atoms from each pair of CIFs given on the command line.

       --use-perl-parser
                         Use Perl parser to parse CIF files.

       --use-c-parser
                         Use C parser to parse CIF files (default).

       --help, --usage
                         Output a short usage message (this message) and exit.

       --version
                         Output version information and exit.

       Report cif_overlay bugs using e-mail: cod-bugs@ibt.ltCIF_OVERLAY(1)

       cif_overlay input1.cif input1_alt.cif