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somunote
New User
Joined: 23 Jan 2010
Posts: 7
Location: Toronto
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Hi,
Is it possible for iebgener to receive the input data set name dynamically, then read it and copy it to the output file?
I don't have the data set name explicitly on the jcl. I have the name of the file I want to read in another data set.
Thanks. |
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superk
Global Moderator
Joined: 26 Apr 2004
Posts: 4652
Location: Raleigh, NC, USA
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No. JCL does not support the concept of a dynamic file name. You'll have to do this process from inside a program, or generate the JCL with the proper dataset name dynamically.
Update:
Just a thought, but have you considered POSSIBLY using IDCAMS to do this? You can REPRO to/from a dataset name to/from a DD name. |
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somunote
New User
Joined: 23 Jan 2010
Posts: 7
Location: Toronto
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Do you mean with a repro?
Wouldn't I have to explicitly declare the input file name on the jcl anyway?
Thanks. |
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Anuj Dhawan
Superior Member
Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India
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| Did you consider using symbolic parameters, if iebgener resides in some PROC? By the way, "dynamically", in the context of your question leave many other questions...some more explanation about it might help us. |
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expat
Global Moderator
Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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Maybe this will give you a clue or two
| Code: |
//IEBGENER EXEC PGM=IEBGENER
//SYSOUT DD SYSOUT=*
//SYSPRINT DD SYSOUT=*
//SYSUT2 DD DSN=&&TEMP,DISP=(,PASS),
// SPACE=(TRK,(2,2),RLSE),
// RECFM=FB,LRECL=80
//SYSUT1 DD *
dataset_name -
/*
//*
//IDCAMS01 EXEC PGM=IDCAMS
//SYSPRINT DD SYSOUT=*
//SYSIN DD *
PARM MARGINS(1 80)
LISTC ENT( -
// DD DSN=&&TEMP,DISP=(OLD,DELETE)
// DD *
)
/* |
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jctgf
Currently Banned
Active User
Joined: 04 Nov 2006
Posts: 109
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Hi,
I used repro INDATASET and it worked great.
with this command the file can be read without being declared in the jcl.
all one has to do is to created a card that will be used as idcams sysin.
| Code: |
//idcams exec pgm=idcams
//fileout dd dsn=...
//sysin dd *
repro indataset('hello') outfile(fileout)
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thanks. |
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expat
Global Moderator
Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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In fact, here is a complete solution as I have already used this myself.
The dataset with the dataset name is read by the SORT step and the IDCAMS card is generated and then IDCAMS does the copy
| Code: |
//BUILDER EXEC PGM=SORT
//SYSOUT DD SYSOUT=*
//SORTIN DD DSN=dataset with the name in it ,DISP=SHR
//SORTOUT DD DSN=&&TEMP001,DISP=(,PASS,DELETE),
// RECFM=FB,LRECL=80,
// SPACE=(CYL,(25,25),RLSE)
//SYSIN DD *
OPTION COPY
OUTFIL BUILD=(C' IDS(',1,44,1X,C') -',80:X)
/*
//*
//IDCAMS EXEC PGM=IDCAMS
//SYSPRINT DD SYSOUT=*
//OFILE DD SYSOUT=*
//SYSIN DD *
PARM MARGINS(1 80)
REPRO -
// DD DSN=&&TEMP001,DISP=SHR
// DD *
OFILE(OFILE)
/*
// |
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somunote
New User
Joined: 23 Jan 2010
Posts: 7
Location: Toronto
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expat,
I hadn't understood your first reply but that's exactly what I did.
good to know I did it right.
thanks. |
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