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How a command is executed in an ISPF panel

 
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arunkrishnac

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Joined: 29 Apr 2008
Posts: 6
Location: mysore

PostPosted: Thu Jun 19, 2008 12:07 pm    Post subject: How a command is executed in an ISPF panel
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In an ISPF panel thats lists dataset, if we type a command (E, B, D etc.) against a dataset it performs respective operation on it. Can anyone explain me what happens at this time in the backend (i meant like if we type 'D' a JCL may be get executed at the backend to delete the dataset. Like this I want know the backend operation). I need to create a rexx macro that on issue of a command against a dataset creates a back up of it. Please provide help.
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Bill Dennis

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Joined: 17 Aug 2007
Posts: 562
Location: Iowa, USA

PostPosted: Thu Jun 19, 2008 7:02 pm    Post subject:
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You can create your own CLIST/REXX to be invoked from option 3.4 dataset list. Name it something like 'BU' and it can either submit a batch job or invoke a foreground command to create a backup, if there is such a thing.

When your 'BU' command is called, the dataset name will be passed as a parameter. For example, here is a CLIST to do a LISTCAT on the 3.4 dataset.
Code:
PROC 1  ENTRYNM                                                               
/* THIS CLIST WILL DISPLAY THE LISTCAT  ENTRY SHOWING THINGS LIKE:     */     
/* ALLOCATIONS, BYTES USED, ETC.       USE AS A LINE COMMAND ON 3.4    */     
CONTROL NOFLUSH                                                               
LISTC ENTRY(&ENTRYNM) ALL                                                     
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Pedro

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Joined: 01 Sep 2006
Posts: 2038
Location: Silicon Valley

PostPosted: Thu Jun 19, 2008 9:33 pm    Post subject: Reply to: How a command is executed in an ISPF panel
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Use DFHSM to backup datasets automatically.
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