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ranjit5311
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Joined: 27 Nov 2005
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 Posted: Mon Jan 23, 2006 11:17 pm Post subject: allocating the PDS memeber through REXX |
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I have allocated a PDS through the REXX. Could you please tell me
1. How to allocate a new members for the PDS.
2. if the member already exist, I want to over write the contents in that member.
thanks,
Ranjit |
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imdaboss
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Joined: 10 Jan 2006
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| Posted: Tue Jan 24, 2006 5:52 am Post subject: |
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Supposing the PDS's name is 'THISIS.ANAME', doing:
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address TSO
"ALLOC DD(TEST) DSN('THISIS.ANAME(NEWMEMBR)') SHR"
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This will allocate a new member in the PDS, or overwrite an existing one.
If you prefer to append to the member instead of overwriting it, use MOD disposition instead of SHR. |
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superk
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Joined: 19 Dec 2002
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| Posted: Tue Jan 24, 2006 7:03 am Post subject: |
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| imdaboss wrote: | | If you prefer to append to the member instead of overwriting it, use MOD disposition instead of SHR. |
Nope, you can't ever MOD to a member of a PDS. It's either SHR or OLD. |
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ofer71
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Joined: 12 Feb 2003
Posts: 358
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Location: Israel
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| Posted: Tue Jan 24, 2006 8:04 am Post subject: |
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And here is the quote from the fine manual:
| Quote: | | Do not use the MOD attribute when allocating a member of a PDS to which you want to append information. You can use MOD only when appending information to a sequential data set. To append information to a member of a PDS, rewrite the member with the additional records added. |
O.
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Last edited by ofer71 on Sat Feb 05, 2011 11:29 am; edited 1 time in total |
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Dibakar
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| Posted: Tue Jan 24, 2006 10:57 pm Post subject: |
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| you can use sysdsn to check if member exists or not. |
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ranjit5311
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Joined: 27 Nov 2005
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| Posted: Fri Jan 27, 2006 6:57 am Post subject: |
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address TSO
"ALLOC DD(TEST) DSN('THISIS.ANAME(NEWMEMBR)') SHR"
If i am replacing the member name by a temp variables(i.e. putting any variables let say VAR1 in place of the 'THISIS.ANAME(NEWMEMBR)), then i am getting RC = 12 . why i am geting RC=12 ,Can we use variable which have the member name for allocating? |
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superk
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Joined: 19 Dec 2002
Posts: 684
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| Posted: Fri Jan 27, 2006 7:03 am Post subject: |
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Could you post the results of your TRACE of the ALLOC step? Something to check for - make sure there are no imbedded blanks in either the dataset or member name.
If VAR1 is 'NEWMEMBR', then you can allocate the DD as:
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"ALLOC DD(TEST) DSN('THISIS.ANAME("VAR1")') SHR"
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ranjit5311
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Joined: 27 Nov 2005
Posts: 27
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| Posted: Fri Jan 27, 2006 7:23 am Post subject: |
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Thanks every body for pouring valuble information, now I can allocate the the member for the PDS.
_________________
One should move lightly through the life, carrying no excess baggage. |
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