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To find whether a file already exists or not

 
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sriramsamy

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Joined: 28 Jun 2005
Posts: 4
Location: India

PostPosted: Fri Sep 16, 2005 5:51 pm    Post subject: To find whether a file already exists or not
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Hi
My jcl has one program step that uses an input file. This input file will be sent by another job through FTP step.

In the absence of this input file my jcl should not return jcl error but it should bypass the program step and should end normally. Also this job should create a new file if it was not already there.

Please let me know how to do this

Thanks in Advance

Regards,
Sriram
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MGIndaco

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Joined: 10 Mar 2005
Posts: 432
Location: Milan, Italy

PostPosted: Fri Sep 16, 2005 5:56 pm    Post subject:
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I suggest you to search befor posting.
The solution is using IDCAMS:
Code:
//STEP010I EXEC PGM=IDCAMS
//SYSPRINT DD SYSOUT=*
//SYSIN    DD *
 LISTCAT ENTRIES(yourfile)
//STEP020P EXEC PGM=yourprogram,COND=(0,NE,STEP010I)
....


I hope in this help
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sriramsamy

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Joined: 28 Jun 2005
Posts: 4
Location: India

PostPosted: Fri Sep 16, 2005 6:13 pm    Post subject: Re: To find whether a file already exists or not
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Thanks a lot!

Your solution is of great help to me!


Best Regards,
Sriram
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ikumar

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Joined: 02 Aug 2005
Posts: 81

PostPosted: Sat Sep 17, 2005 1:38 am    Post subject: Re: To find whether a file already exists or not
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Hi Sriram,

Also you can check the file existence as given below,

//EXIST EXEC IDCAMS
PRINT INDATASET('dataset-name') CHARACTER COUNT(1)

If the dataset does not exist, you get RC=0012.
you can check for RC using IF THEN ELSE logic in the JCL...
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