$Status

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The $Status function returns a numeric value that indicates the success or failure of the last executed OPEN/OPENC statement, external I/O statement, or program communication statement.

For a discussion of... See
Handling errors in file/group open statements (same)
External I/O statements Reading external files or terminal input
Communication statements Program Communication facilities
$RdProc $RdProc

For a list of $Status return values, refer to Error handling for TPROCESS statements.

The $Status function takes no arguments.

Example

. . . READ IMAGE ACCT.RECV.REC IF $STATUS = 0 THEN CALL PROCESS.AR ELSE LOOPEND END IF . . .