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Doubt regarding Parameters for file-aid execution.

 
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MKP

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Joined: 23 Aug 2006
Posts: 12
Location: Chennai

PostPosted: Fri Sep 29, 2006 7:58 pm    Post subject: Doubt regarding Parameters for file-aid execution.
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Hi All,
Can anyone explain me what is the usage of parameters mentioned in the below code. This code is given for FILE-AID execution.

****** ***************************** Top of Data ******************************
000001 $$DD01 USER FORM=MULTI,PADCHAR=C' ',MOVE=(217,4X'F0'),
000002 MOVE=(3,C'FILE SEPARATOR '),
000003 MOVE=(18,C'X'),WRITE=DD01O,OUT=1,
000004 ABEND=3
****** **************************** Bottom of Data ****************************

Thanks,
MKP
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cpuhawg

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Joined: 14 Jun 2006
Posts: 331
Location: Jacksonville, FL

PostPosted: Fri Sep 29, 2006 8:18 pm    Post subject: Re: Doubt regarding Parameters for file-aid execution.
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The FORM=MULTI parameter allows for reprocessing of an input file after EOF is reached. Processing would continue with the next fundction at the start of the input file.

The PADCHAR=' ' pads the output files with blanks where data is not defined.

The MOVE=(217,4X'F0') puts 'F0F0F0F0' at position 217 of the output record.

The MOVE=(3,C'FILE SEPARATOR') overlays the literal 'FILE SEPARATOR' in position 3 of the output record.

The MOVE=(18,C'X') overlays the literal 'X' at position 18 of the output record.

The WRITE=DD01O will cause the output file to be written to the DD01O output DD statement.

The OUT=1 would indicate that processing stops after 1 record is written to the output file.

The ABEND=3 would cause the FILEAID step to terminate in the event an I/O error occurs. Processing would stop and the program would issue a cond code of 12.
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cpuhawg

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Posts: 331
Location: Jacksonville, FL

PostPosted: Fri Sep 29, 2006 8:31 pm    Post subject: Re: Doubt regarding Parameters for file-aid execution.
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Please note that MOVE=(217,4X'F0') places a hex 'F0' in positions 217-220 of the output record. In effect, position 217 of the output record will contain zeroes '0000' which are the equivalent of X'F0F0F0F0'
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