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1 149 jeremybenn
-- CE3115A.ADA
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
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--     this public release, the Government intends to confer upon all 
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--     recipients unlimited rights  equal to those held by the Government.  
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--     These rights include rights to use, duplicate, release or disclose the 
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--     released technical data and computer software in whole or in part, in 
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--     any manner and for any purpose whatsoever, and to have or permit others 
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- OBJECTIVE:
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--     CHECK THAT RESETTING ONE OF A MULTIPLE OF INTERNAL FILES
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--     ASSOCIATED WITH THE SAME EXTERNAL FILE HAS NO EFFECT ON ANY
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--     OF THE OTHER INTERNAL FILES.
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-- APPLICABILITY CRITERIA:
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--     THIS TEST APPLIES ONLY TO IMPLEMENTATIONS WHICH SUPPORT MULTIPLE
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--     INTERNAL FILES ASSOCIATED WITH THE SAME EXTERNAL FILE AND
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--     RESETTING OF THESE MULTIPLE INTERNAL FILES FOR TEXT FILES.
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-- HISTORY:
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--     DLD 08/16/82
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--     SPS 11/09/82
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--     JBG 06/04/84
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--     EG  11/19/85  MADE TEST INAPPLICABLE IF CREATE USE_ERROR.
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--     TBN 11/04/86  REVISED TEST TO OUTPUT A NON_APPLICABLE RESULT WHEN
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--                   FILES NOT SUPPORTED.
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--     GMT 08/25/87  COMPLETELY REVISED.
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--     EDS 12/01/97  ADD NAME_ERROR HANDLER TO OUTPUT NOT_APPLICABLE RESULT.
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--     RLB 09/29/98  MADE MODIFICATION TO AVOID BUFFERING PROBLEMS.
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WITH REPORT; USE REPORT;
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WITH TEXT_IO; USE TEXT_IO;
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PROCEDURE CE3115A IS
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BEGIN
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     TEST ("CE3115A", "CHECK THAT RESETTING ONE OF A MULTIPLE OF " &
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                      "INTERNAL FILES ASSOCIATED WITH THE SAME " &
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                      "EXTERNAL FILE HAS NO EFFECT ON ANY OF THE " &
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                      "OTHER INTERNAL FILES");
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     DECLARE
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          TXT_FILE_ONE : TEXT_IO.FILE_TYPE;
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          TXT_FILE_TWO : TEXT_IO.FILE_TYPE;
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          CH           : CHARACTER := 'A';
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          INCOMPLETE   : EXCEPTION;
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          PROCEDURE TXT_CLEANUP IS
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               FILE1_OPEN : BOOLEAN := IS_OPEN (TXT_FILE_ONE);
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               FILE2_OPEN : BOOLEAN := IS_OPEN (TXT_FILE_TWO);
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          BEGIN
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               IF FILE1_OPEN AND FILE2_OPEN THEN
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                    CLOSE (TXT_FILE_TWO);
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                    DELETE (TXT_FILE_ONE);
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               ELSIF FILE1_OPEN THEN
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                    DELETE (TXT_FILE_ONE);
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               ELSIF FILE2_OPEN THEN
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                    DELETE (TXT_FILE_TWO);
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               END IF;
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          EXCEPTION
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               WHEN TEXT_IO.USE_ERROR =>
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                    NULL;
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               WHEN OTHERS =>
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                    FAILED ("UNEXPECTED EXCEPTION RAISED " &
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                            "IN CLEANUP - 1");
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          END TXT_CLEANUP;
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     BEGIN
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          BEGIN -- CREATE FIRST FILE
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               CREATE (TXT_FILE_ONE, OUT_FILE, LEGAL_FILE_NAME);
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               PUT (TXT_FILE_ONE, CH);
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          EXCEPTION
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               WHEN TEXT_IO.USE_ERROR =>
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                    NOT_APPLICABLE ("USE_ERROR RAISED; CREATE OF " &
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                                    "EXTERNAL FILENAME IS NOT " &
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                                    "SUPPORTED - 2");
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                    RAISE INCOMPLETE;
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               WHEN TEXT_IO.NAME_ERROR =>
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                    NOT_APPLICABLE ("NAME_ERROR RAISED; CREATE OF " &
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                                    "EXTERNAL FILENAME IS NOT " &
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                                    "SUPPORTED - 3");
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                    RAISE INCOMPLETE;
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          END; -- CREATE FIRST FILE
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          BEGIN -- OPEN SECOND FILE
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               OPEN (TXT_FILE_TWO, IN_FILE, LEGAL_FILE_NAME);
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          EXCEPTION
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               WHEN TEXT_IO.USE_ERROR =>
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                    NOT_APPLICABLE ("MULTIPLE INTERNAL FILES ARE NOT " &
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                                    "SUPPORTED WHEN ONE IS MODE " &
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                                    "OUT_FILE AND THE OTHER IS MODE " &
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                                    "IN_FILE - 4" &
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                                    " - USE_ERROR RAISED ");
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                    TXT_CLEANUP;
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                    RAISE INCOMPLETE;
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               WHEN TEXT_IO.NAME_ERROR =>
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                    NOT_APPLICABLE ("MULTIPLE INTERNAL FILES ARE NOT " &
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                                    "SUPPORTED WHEN ONE IS MODE " &
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                                    "OUT_FILE AND THE OTHER IS MODE " &
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                                    "IN_FILE - 4" &
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                                    " - NAME_ERROR RAISED ");
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                    TXT_CLEANUP;
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                    RAISE INCOMPLETE;
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          END; -- OPEN SECOND FILE
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          FLUSH (TXT_FILE_ONE); -- AVOID BUFFERING PROBLEMS.
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          CH := 'B';
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          GET (TXT_FILE_TWO, CH);
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          IF CH /= 'A' THEN
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               FAILED ("INCORRECT VALUE FOR GET - 5");
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          END IF;
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          BEGIN -- INITIALIZE FIRST FILE TO CHECK POINTER RESETTING
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               RESET (TXT_FILE_ONE);
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               IF MODE (TXT_FILE_ONE) /= OUT_FILE THEN
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                    FAILED ("FILE WAS NOT RESET - 6");
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               END IF;
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               IF MODE (TXT_FILE_TWO) /= IN_FILE THEN
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                    FAILED ("RESETTING OF ONE INTERNAL FILE " &
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                            "AFFECTED THE OTHER INTERNAL FILE - 7");
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               END IF;
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          EXCEPTION
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               WHEN TEXT_IO.USE_ERROR =>
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                    NOT_APPLICABLE ("RESETTING OF EXTERNAL FILE FOR " &
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                                    "OUT_FILE MODE IS " &
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                                    " NOT SUPPORTED - 8");
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                    TXT_CLEANUP;
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                    RAISE INCOMPLETE;
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          END; -- INITIALIZE FIRST FILE TO CHECK POINTER RESETTING
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          -- PERFORM SOME I/O ON THE FIRST FILE
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          PUT (TXT_FILE_ONE, 'C');
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          PUT (TXT_FILE_ONE, 'D');
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          PUT (TXT_FILE_ONE, 'E');
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          CLOSE (TXT_FILE_ONE);
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          BEGIN
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               OPEN (TXT_FILE_ONE, IN_FILE, LEGAL_FILE_NAME);
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          EXCEPTION
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               WHEN USE_ERROR =>
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                    NOT_APPLICABLE ("MULTIPLE INTERNAL FILES NOT " &
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                                    "SUPPORTED WHEN BOTH FILES HAVE " &
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                                    "IN_FILE MODE - 9");
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                    RAISE INCOMPLETE;
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          END;
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          GET (TXT_FILE_ONE, CH);
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          GET (TXT_FILE_ONE, CH);
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          BEGIN -- INITIALIZE SECOND FILE AND PERFORM SOME I/O
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               CLOSE (TXT_FILE_TWO);
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               OPEN (TXT_FILE_TWO, IN_FILE, LEGAL_FILE_NAME);
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          EXCEPTION
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               WHEN TEXT_IO.USE_ERROR =>
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                    FAILED ("MULTIPLE INTERNAL FILES SHOULD STILL " &
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                            "BE ALLOWED - 10");
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                    TXT_CLEANUP;
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                    RAISE INCOMPLETE;
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          END; -- INITIALIZE SECOND FILE AND PERFORM SOME I/O
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          BEGIN -- RESET FIRST FILE AND CHECK EFFECTS ON SECOND FILE
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               GET (TXT_FILE_TWO, CH);
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               IF CH /= 'C' THEN
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                    FAILED ("INCORRECT VALUE FOR GET OPERATION - 11");
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               END IF;
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               RESET (TXT_FILE_ONE);
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               GET (TXT_FILE_TWO, CH);
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               IF CH /= 'D' THEN
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                    FAILED ("RESETTING INDEX OF ONE TEXT FILE " &
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                            "RESETS THE OTHER ASSOCIATED FILE - 12");
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               END IF;
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          EXCEPTION
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               WHEN TEXT_IO.USE_ERROR =>
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                    FAILED ("RESETTING SHOULD STILL BE SUPPORTED - 13");
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                    TXT_CLEANUP;
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                    RAISE INCOMPLETE;
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          END; -- RESET FIRST FILE AND CHECK EFFECTS ON SECOND FILE
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          TXT_CLEANUP;
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     EXCEPTION
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          WHEN INCOMPLETE =>
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               NULL;
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     END;
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     RESULT;
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END CE3115A;

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