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6.2.34.5 INPUT PROCEDURE Phrase



This phrase specifies the name of a procedure that is to select or modify input records before the sorting operation begins.

procedure-name-1
Specifies the first (or only) section or paragraph in the INPUT PROCEDURE.

procedure-name-2
Identifies the last section or paragraph of the INPUT PROCEDURE.

The input procedure can consist of any procedure needed to select, modify, or copy the records that are made available one at a time by the RELEASE statement to the file referenced by file-name-1. The range includes all statements that are executed as the result of a transfer of control by CALL, EXIT, GO TO, and PERFORM statements in the range of the input procedure, as well as all statements in declarative procedures that are executed as a result of the execution of statements in the range of the input procedure. The range of the input procedure must not cause the execution of any MERGE, RETURN, or SORT statement.

If an input procedure is specified, control is passed to the input procedure before the file referenced by file-name-1 is sequenced by the SORT statement. The compiler inserts a return mechanism at the end of the last statement in the input procedure. When control passes the last statement in the input procedure, the records that have been released to the file referenced by file-name-1 are sorted.


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