$ gemmi ss -h
Usage:
 gemmi ss [options] INPUT_FILE OUTPUT_FILE

Determines secondary structure of proteins using DSSP method.
Uses CCP4 monomer library to determine peptide bonds.


Options:
  -h, --help         Print usage and exit.
  -V, --version      Print version and exit.
  -v, --verbose      Verbose output.
  --monomers=DIR     Monomer library directory (default: $CLIBD_MON).
  -L CIF, --lib=CIF  User's restraint file(s). See more info below.
  --format=FORMAT    Input format (default: from the file extension).
