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rajnikanth.ch
New User
Joined: 04 Apr 2007
Posts: 2
Location: chennai
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| I want to a jcl hoe to get count from a tape file |
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expat
Global Moderator
Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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| Quote: |
Rough estimate - take a look at the TMS report to see how many blocks are used, and then multiply by the number of records per block.
More accurate for FB than it is for VB though  |
My reply to the same thread raised by someone else in the JCL forum.
I puzzles me as to why you would actually want to know the number of records on a file, and would willingly waste resource just to find out ?
Let's face it, if the record count was that important then the program that creates the file should issue this information or some type of internal record reconciliation program / product implemented. |
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Frank Yaeger
DFSORT Developer
Joined: 15 Feb 2005
Posts: 7129
Location: San Jose, CA
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Anuj Dhawan
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Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India
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| expat wrote: |
| Let's face it, if the record count was that important then the program that creates the file should issue this information or some type of internal record reconciliation program / product implemented. |
Hi,
expat's above point is quite logical. However, not sure though, if You would like to know characteristics such as
| Code: |
| RECFM=XX ; LRECL= XXX; BLKSIZE= XXXXX |
You can use below JCL:
| Code: |
//**********************************************************************
//*THIS JOB WILL GIVE THE CHARACTERISTICS OF TAPE FILE, WITHOUT GETTING
//*IT ON DASD.
//**********************************************************************
//*
//STEP010 EXEC PGM=ICETOOL
//TOOLMSG DD SYSOUT=*
//DFSMSG DD SYSOUT=*
//DD01 DD DSN=TAPE_FILE_NAME,
// DISP=SHR
//TOOLIN DD *
COUNT FROM(DD01)
/*
//* |
In S.ST check DFSMSG for DD01.
Hope this helps. |
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