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READ FILE1 NEXT ?= READ NEXT FILE1

 
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Lord.of.Wind

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Joined: 17 Nov 2005
Posts: 60

PostPosted: Wed Jun 07, 2006 7:49 am    Post subject: READ FILE1 NEXT ?= READ NEXT FILE1
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FILE1 is a VSAM file.
Could anybody kindly tell me if (START FILE1 KEY IS = WS-POSITION)
READ FILE1 NEXT = READ NEXT FILE1 ?

In my thought,
READ FILE1 NEXT will firstly read the file, and then move the pointer to next position;
READ NEXT FILE1 will firstly move the pointer to next position, and then read the file.
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GeneNorman

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Joined: 26 May 2006
Posts: 8
Location: Madison, Wisconsin USA

PostPosted: Fri Jun 09, 2006 2:34 am    Post subject: Read the Manual! :roll:
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This is what the manual says it the syntax of the format 1 READ
Code:
    ___ Format 1: sequential retrieval _____________________________________
   |                                                                        |
   | >>__READ__file-name-1__ ______ __ ________ __________________________> |
   |                        |_NEXT_|  |_RECORD_|                            |
   |                                                                        |
   | >__ ____________________ ____________________________________________> |
   |    |_INTO__identifier-1_|                                              |
   |                                                                        |
   | >__ _____________________________________ ___________________________> |
   |    |_ ____ __END__imperative-statement-1_|                             |
   |      |_AT_|                                                            |
   |                                                                        |
   | >__ __________________________________________ __ __________ _______>< |
   |    |_NOT__ ____ __END__imperative-statement-2_|  |_END-READ_|          |
   |           |_AT_|                                                       |
   |                                                                        |
   |________________________________________________________________________|


READ NEXT FILENAME will return a compile time error, which you could have discovered by trying it!
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