The CHECK_FOR command is used to check for the existence of a record in a particular file.
Portability Considerations | Refer to parameter IN_FILE. |
Also See
7.13.2 CHECK_FOR Comments / Warnings
Required CHECK_FOR ---- INFILE ------- file name . *FIRST -------------> library name >-- WITH_KEY ----- key field values ---------------> expandable group expression ----------------------------------------------------------------- Optional >-- IO_STATUS ---- *STATUS ------------------------> field name >-- IO_ERROR ----- *ABORT -------------------------> *NEXT *RETURN label >-- VAL_ERROR ---- *LASTDIS -----------------------> *NEXT *RETURN label >-- NOT_FOUND ---- *NEXT --------------------------> *RETURN label >-- ISSUE_MSG ---- *NO ----------------------------| *YES