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
