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You can try an dynamically putting the 'correct' file in OPNQRYF statement
and using a format file in the RPG program instead of a logical file.
You'll have to specify OPTION(*ALL) in your OPNQRYF statement. Here is a
quick example.
I pass a file name to this program. Either our open order file or order
history file (same layout). Oehhstwk is a file with no members or data in
it that has the same layout as the other two.
*************** Beginning of data ***********************
pgm parm(&file)
dcl var(&file) type(*char) len(10)
ovrdbf file(oehhstwk) tofile(&file) share(*yes)
opnqryf file(&file) +
format(oehhstwk) +
option(*all) +
keyfld(*file)
call pgm(oehhstrpg)
clof opnid(&file)
dltovr file(&file)
endpgm
Oehhstwk is read full procedural. That's why the OPTION(*ALL)
*************** Beginning of data
********************************************
Foehhstwk if e k Disk
Fqsysprt o f 132 printer oflind(*inof)
Dx S 6 0
/free
for x = 100000 to 100500;
chain x oehhstwk;
if %found(oehhstwk);
except detail;
endif;
endfor;
*inlr = *on;
/end-free
OQSYSPRT H 1P 1
O OR OF
O 'hEADING'
Oqsysprt E detail
O ordno
I know that there are no orders in the system that match the key between
100000 and100500. When I pass the name of the open file, I get no output.
There are History orders, If I pass the history file, I get output.
This is a quick dirty example. Hope it helps.
Thanks,
Mark
Mark D. Walter
Senior Programmer/Analyst
CCX, Inc.
mwalter@xxxxxxxxxx
http://www.ccxinc.com
"Carel Teijgeler"
<coteijgeler@xxxxxx To: rpg400-l@xxxxxxxxxxxx
.nl> cc:
Sent by: Subject: Re: Generic Logical
File
rpg400-l-bounces@xx
drange.com
08/14/2003 01:43 PM
Please respond to
RPG programming on
the AS400 / iSeries
A possiblity may be OPNQRYF.
Do an OVRDBF file(&MyFile) SHARE(*YES)
OPENQRYF QRYF(&MyFile) etc.
I did not test this, but I think it will work.
Regards,
Carel Teijgeler
*********** REPLY SEPARATOR ***********
On 13-8-03 at 18:39 GRAFCOR@xxxxxxx wrote:
>I have 13 physical files, each one has the same file layout as the other
>one. Depending on the the period the user selects I need to build an
>logical file over one of the files. The logical file will be deleted as
>soon as the Cl program ends. When I issue the create logical file
>command I get an error telling me that the physical files must match the
>file names in the dds for the logical file. Can I create a generic dds
>for the logical file????
>
>Thanks for your help.
>
>
>
>_______________________________________________
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