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ssk1711
New User
Joined: 16 Jun 2008
Posts: 40
Location: bangalore
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How to check whether a particular member is present in a PDS.
I checked in the forum and I got that we need to check return value of SYSDSN(pdsname(member)) for the answer.
But SYSDSN() give the return value "DATASET NOT FOUND" for all the members irrespective of their presence.
(note : SYSDSN(pdsname) works well to find whether the PDS is catalogued or not ) |
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superk
Global Moderator
Joined: 26 Apr 2004
Posts: 4652
Location: Raleigh, NC, USA
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Hmm. Works for me.
| Code: |
/* REXX */
retcode = SYSDSN('''MY.PDS(MEMBER1)''')
Say retcode
retcode = SYSDSN('''MY.PDS(MEMBER2)''')
Say retcode
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If only MEMBER1 is in the PDS, I get
OK
MEMBER NOT FOUND |
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superk
Global Moderator
Joined: 26 Apr 2004
Posts: 4652
Location: Raleigh, NC, USA
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Using ISPF Library Management (LM) Services also works well.
| Code: |
/* REXX */
"ISPEXEC LMINIT DATAID(did) DATASET('MY.PDS') ENQ(SHR)"
"ISPEXEC LMOPEN DATAID("did") OPTION(INPUT)"
"ISPEXEC LMMFIND DATAID("did") MEMBER(MEMBER1) STATS(YES)"
Say rc
"ISPEXEC LMMFIND DATAID("did") MEMBER(MEMBER2) STATS(YES)"
Say rc
"ISPEXEC LMCLOSE DATAID("did")"
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If only MEMBER1 is in the PDS, I get
0
8 |
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Bill Dennis
Active Member
Joined: 17 Aug 2007
Posts: 562
Location: Iowa, USA
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ssk,
enclose 'pdsname(member1)' in quotes otherwise it prepends your userid! |
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Pedro
Global Moderator
Joined: 01 Sep 2006
Posts: 2547
Location: Silicon Valley
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Regarding a previous example:
| Code: |
/* REXX */
retcode = SYSDSN('''MY.PDS(MEMBER1)''') |
The use of multiple single quotes is a source of confusion for some. I like using double quotes to define the constant and then use single quotes within, such as:
| Code: |
/* REXX */
retcode = SYSDSN("'MY.PDS(MEMBER1)'") |
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ssk1711
New User
Joined: 16 Jun 2008
Posts: 40
Location: bangalore
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| thanks. It working now. |
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