| 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 |