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Lisa Christina
New User
Joined: 09 Jul 2008
Posts: 6
Location: Portland, Oregon
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I have 44 GDG's and want to process each of those individually as input files through a COBOL program. I need to read each record in those 44 files to encrypt the account number and then rewrite the record with the new encryption info. I don't want new GDG's, just the same versions with converted data. And I don't want to submit the JCL 44 times either! (each file has approx. 10k records - record length is 1500)
Anyone have an idea for the best, most efficient way to accomplish this task with JCL? Examples please.
Thanks in advance. |
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enrico-sorichetti
Superior Member
Joined: 14 Mar 2007
Posts: 10873
Location: italy
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write a procedure ( inline ) and execute it 44 times...
| Code: |
//jobname JOB .........
//ENCODE PROC
//encode EXEC PGM=Your_encoding_prog
//input_ddname DD DISP=SHR,DSN=your_gdg_name(&GEN)
//output_ddname DD DISP=(NEW,PASS),DSN=&&temp_dsn,
//... DD ...
//... DD ...
//replace EXEC PGM=copy_utilty_of_your_choice
//input_ddname DD DISP=(OLD,DELETE),DSN=&&temp_dsn
//output_ddname DD DISP=SHR,DSN=your_gdg_name(&GEN)
//... DD ...
//... DD ...
// PEND
//*
// EXEC ENCODE,GEN='-1'
// EXEC ENCODE,GEN='-2'
// EXEC ENCODE,GEN='...'
// EXEC ENCODE,GEN='-44'
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dick scherrer
Moderator Emeritus
Joined: 23 Nov 2006
Posts: 19244
Location: Inside the Matrix
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Hello,
Suggest if you write over the original files you make a copy of them first. If one of the replace steps should abend for any reason your file would be destroyed/corrupted. |
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Craq Giegerich
Senior Member
Joined: 19 May 2007
Posts: 1512
Location: Virginia, USA
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| For GDG's there is both Generation and Version. |
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Lisa Christina
New User
Joined: 09 Jul 2008
Posts: 6
Location: Portland, Oregon
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Just what I was looking for...a perfect and efficient solution!
Thanks Enrico and all! |
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