| Parameter | Mand | Type | Default | Constraints |
| calindex1set | yes | e | ccf.cif | |
Name of the first calibration index set. |
| calindex2set | yes | e | ccf.cif | |
Name of the second calibration index set. |
| withfile | no | b | no | |
Write the output to an ascii file? |
| outfile | no | f | cifdiff.asc | |
Name of the output ascii file. |
| Parameter | Mand | Type | Default | Constraints |