Return codes

The return codes in decimal format from the format utility are:

Return Codes: Description
0: Successful completion. All requested data sets are formatted.
4: One or more couple data sets could not be formatted.
8: An I/O error occurred on the SYSPRINT or SYSIN file. Some couple data sets might have been formatted.
12: The SYSPRINT DD or SYSIN DD was not specified or could not be used. No data sets are formatted.
16: An abend occurred during format utility processing. Some couple data sets might have been formatted.
20: Unknown error while parsing command input. Some couple data sets might have been formatted.