MDL MACCS Keys ============== The script *gen_maccs_key.py* generates and outputs the 166 bit MACCS key of molecules read from a specified input file. **Synopsis** :program:`python` *gen_maccs_key.py* [-h] -i <file> -o <file> **Mandatory options** -i <file> Input molecule file -o <file> MACCS key output file **Other options** -h, --help Show help message and exit **Code** .. literalinclude:: /downloads/gen_maccs_key.py :language: python :linenos: :lines: 21- :download:`Download source file</downloads/gen_maccs_key.py>`