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Need help on Process Keywords

 
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eureka19
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Joined: 02 Oct 2005
Posts: 20
Topics: 9
PostPosted: Tue Dec 13, 2005 1:55 am    Post subject: Need help on Process Keywords Reply with quote
Hi All,

I have come across Keywords EXEC PGM=TRSMAIN, EXEC PGM=ADRDSSU. These are used to compress a large dataset.

Give me pointers where i can get info about these keywords.

Thanks in advance.

Regards,
Uday.
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Vinodch
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Joined: 23 Dec 2002
Posts: 80
Topics: 32
Location: Chennai, India
PostPosted: Tue Dec 13, 2005 3:26 am    Post subject: Reply with quote
Uday

Refer the following link:

http://www.mvsforums.com/helpboards/viewtopic.php?t=2161&highlight=adrdssu
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Vinod.
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superk
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Joined: 19 Dec 2002
Posts: 684
Topics: 5
PostPosted: Tue Dec 13, 2005 7:57 am    Post subject: Reply with quote
This is taken from an Internet search concerning data compression:

IBM provides a free compression utility for dumps that's also generally useful. The program is available at the IBM site but I'd bet most shops already have it. The JCL is:

Code:

//TERSE  EXEC  PGM=TRSMAIN,REGION=4M,PARM='SPACK'
//INFILE    DD   DISP=SHR,DSN=...
//OUTFILE   DD   DISP=(,CATLG,DELETE),DCB=BUFNO=32,   
//   UNIT=TEST,SPACE=(CYL,(010,010),RLSE),     
//   DSN=...                                   
//SYSPRINT  DD   SYSOUT=*                         


Cleverly, to decompress a file, use UNPACK as the parm passed and reverse the INFILE and OUTFILEs.
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Bill Dennis
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Joined: 03 Dec 2002
Posts: 579
Topics: 1
Location: Iowa, USA
PostPosted: Tue Dec 13, 2005 8:58 am    Post subject: Reply with quote
TRSMAIN not only compresses data but also the file is suitable for sending via FTP.
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Regards,
Bill Dennis

Disclaimer: My comments on this foorum are my own and do not represent the opinions or suggestions of any other person or business entity.
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