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how to check whether a DS is a GDG base or VSAM file

 
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rajat_gupta

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Joined: 05 Apr 2007
Posts: 15
Location: india

PostPosted: Mon Apr 09, 2007 5:42 pm    Post subject: how to check whether a DS is a GDG base or VSAM file
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Hi all,
I need to check whether a particular dataset (given by the user ) is a GDG base,or a seq file or a VSAM file.I have tried with LISTDSI but when I am giving GDG base name then it is showing foll. error::
datset not found with reason code 0005 and return value of 16.
X = LISTDSI(DSNAME DIRECTORY)

If anyone can suggest a solution for this,it might be very helpful.
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mrdilipchand

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Joined: 20 Feb 2007
Posts: 12
Location: banglore

PostPosted: Mon Apr 09, 2007 6:32 pm    Post subject:
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hi
am not sure how to use LISTDSI, but using LISTDS we can get it.
/*rexx*/
COMPONENT = E0078CE.DEATH.CLAIMS.TRHST
"LISTDS '"COMPONENT"' M"

Output :
E0078CE.DEATH.CLAIMS.TRHST
--LRECL--DSORG-
** VSAM
--VOLUMES-BLKSIZE
**
let me know is there any other way to get it.
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expat

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Joined: 14 Mar 2007
Posts: 8593
Location: Back in jolly old England

PostPosted: Mon Apr 09, 2007 7:18 pm    Post subject:
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IDCAMS LISTCAT reveals all
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rajat_gupta

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Joined: 05 Apr 2007
Posts: 15
Location: india

PostPosted: Mon Apr 09, 2007 8:24 pm    Post subject:
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I have tried a lot,but not able to get the dataset info'n of a GDG base.It is always saying "Invalid dataset". If anyone has an idea then kindly suggest.
Input is any dataset name and it should tell whether its a GDG base or a VSAM or a sequential file.
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superk

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Joined: 26 Apr 2004
Posts: 4650
Location: Raleigh, NC, USA

PostPosted: Mon Apr 09, 2007 9:17 pm    Post subject: Re: how to check whether a DS is a GDG base or VSAM file
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expat is right.

If the dataset is a GDG Base, then LISTCAT returns:

GDG BASE ------ entry name
IN-CAT --- catalog name

If the dataset is a QSAM or PDS file, then LISTCAT returns:

NONVSAM ------- entry name
IN-CAT --- catalog name

If the data is VSAM, then LISTCAT returns:

CLUSTER ------- entry name
IN-CAT --- catalog name
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