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Utility to list Data Set Information

 
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Auryn

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Joined: 11 Jan 2006
Posts: 60
Location: Lower Saxony (DE)

PostPosted: Tue Jul 17, 2018 5:03 pm    Post subject: Utility to list Data Set Information
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Hi there,

maybe there are better categories in this forum i.e. »CLIST & REXX« or »TSO/ISPF« to place my question.
But well, I post it here in this category:


In ISPF 3.2 (or 3.4 with line command »I«) you can check the attributes and properties of a dataset.
Code:
                             Data Set Information                     
Command ===>                                                           
                                                                       
Data Set Name  . . . : SYS1.PROCLIB                                   
                                                                       
General Data                          Current Allocation               
 Volume serial . . . : LPSYSO          Allocated cylinders : 10       
 Device type . . . . : 3390            Allocated extents . : 1         
 Organization  . . . : PO              Maximum dir. blocks : 100       
 Record format . . . : FB                                             
 Record length . . . : 80                                             
 Block size  . . . . : 27920          Current Utilization             
 1st extent cylinders: 10              Used cylinders  . . : 6         
 Secondary cylinders : 0               Used extents  . . . : 1         
                                       Used dir. blocks  . : 29       
                                       Number of members . : 178       
                                                                       
                                      Dates                           
                                       Creation date . . . : 2004/08/13
                                       Referenced date . . : 2018/07/17
                                       Expiration date . . : ***None***


'Cause we processing a number of datasets (sequential and PDS(-E)) and member via batch jobs we'd like to analyse these information (including that ones about the directory blocks) in advance.
Does anybody of you know a tool or tso command to retrieve the information the mentioned ISPF panel provides of several datasets in a list via a batch job?

If there is no command or system utility that can be used in a jcl directly maybe there is a module that retrieves these information and can be integrated in a COBOL main module?

Thank you for your assistance.

Auryn
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steve-myers

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Joined: 30 Nov 2013
Posts: 657
Location: The Universe

PostPosted: Tue Jul 17, 2018 5:35 pm    Post subject:
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Look at the utilities on the CBT "tape." I'm pretty certain you will find something of use. By the rules of the web site I cannot insert the address of the CBT tape page here, but Google is your friend.

Mass reading of PDS directories fell by the way side with the advent of effective data security tools like RACF, Top Secret and ACF2. None of them provided a tool to permit an unauthorized program to pre test if the program can open a data set without getting an S913 ABEND.

Your idea about a tool that would integrate with Cobol is good, but how the tool would present data set information to the Cobol program presents difficulties I do not think anyone was interested in developing. I'm not aware of any such tool.
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sergeyken

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Joined: 29 Apr 2008
Posts: 340
Location: Maryland

PostPosted: Tue Jul 17, 2018 5:50 pm    Post subject:
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IBM provided the interface routine to perform ISPF 3.2 functions via CALL. But it requires full ISPF environment to be established before any call to this interface; this is headache.
DSINFO—data set information dialog service

Another, more simple way of doing this is - REXXTOOLS by Open Software Technologies
Dataset Information Functions
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expat

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Joined: 14 Mar 2007
Posts: 8704
Location: Back in jolly old England

PostPosted: Tue Jul 17, 2018 5:52 pm    Post subject:
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Should be easy enough to do this in batch ISPF using DSINFO

I might even have some code somewhere too
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Willy Jensen

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Joined: 01 Sep 2015
Posts: 219
Location: Denmark

PostPosted: Tue Jul 17, 2018 10:27 pm    Post subject:
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I would consider writing a small REXX pgm around the REXX LISTDSI function.
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