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RPGLE.  how to set the file pointer back to the top on a physical file

Posted on 2004-10-14
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Last Modified: 2008-02-01
i'm looping through a physical file with a read operation.  after reading through the physical file once, i would like to set the file pointer back to the top and read through the file again.  How can I do this without closing and opening the file again?  the physical file has no keys.
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Question by:roosterup
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by:daveslater
ID: 12310534
Hi
you can decalre a numeric field 10,0. Set it to 1 then chain in as you would with a keyed file

This will reposition a record 1

Dave
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by:roosterup
ID: 12310556
I just want to reset the file pointer as if the file had just been opened.
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by:daveslater
ID: 12310645
Hi
That is the only way I know. I would wait and see if anyone else has some other ideas.

Dave
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Author Comment

by:roosterup
ID: 12310660
i know closing and reopening the file would work, but i don't want to do that.
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by:theo kouwenhoven
ID: 12317043
Hi Roosterup,

Did you tried a SETLL ???

For indexed files :
     *LOVAL     SETLL      MyFile

For non indexed files:
      0       SETLL     MyFile

Never tested this, but the compiler thinks it's OK, so give it a try

Regards,
Murph
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by:tliotta
ID: 12322268
roosterup:

With no keys, you're reading in Arrival sequence. The SETLL with *LOVAL as factor 1 should give you what you want.

Tom
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Expert Comment

by:Helixir
ID: 12337784
Try something like

*START      SETLL       MyFile

I'm not sure if works !!
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Accepted Solution

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Helixir earned 50 total points
ID: 12346617
I did some test yesterday and *START on a physical file works !!
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