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Data Interfaces

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Model Solution 2 for Chapter 1: Sequential Files<br />

REPORT RSFFF012.<br />

* Record for sequential dataset defined as Dictionary structure or<br />

* include report provided<br />

DATA: BEGIN OF REC.<br />

INCLUDE STRUCTURE SBC420C.<br />

DATA: END OF REC.<br />

* STRUCTURE SBC420C:<br />

* CARRID, CONNID, FLDATE, BOOKID, CUSTOMID.<br />

* Alternative:<br />

* INCLUDE RSFFF01L.<br />

DATA: COUNT LIKE SY-INDEX.<br />

* Create selection screen<br />

PARAMETERS:<br />

FILE(20) DEFAULT '/tmp/BOOKXX' LOWER CASE.<br />

* Open file for reading in text mode<br />

START-OF-SELECTION.<br />

OPEN DATASET FILE FOR INPUT IN TEXT MODE.<br />

DO.<br />

READ DATASET FILE INTO REC.<br />

* Termination condition for reading<br />

IF SY-SUBRC NE 0.

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