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Delete all empty members of a pds


IBM Mainframe Forums -> JCL & VSAM
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kushkush

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Joined: 30 Jun 2005
Posts: 37
Location: Germany

PostPosted: Tue Mar 10, 2015 8:46 am
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How do i delete all empty members of a pds?
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enrico-sorichetti

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Joined: 14 Mar 2007
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PostPosted: Tue Mar 10, 2015 10:50 am
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does the pds have ISPF stats ?
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kushkush

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Joined: 30 Jun 2005
Posts: 37
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PostPosted: Tue Mar 10, 2015 11:16 am
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No Enrico, it does not have ISPF stats.
Thanks and cheers to you too.
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enrico-sorichetti

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PostPosted: Tue Mar 10, 2015 12:08 pm
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You have two options ...

1) turn on ISPF statistics
write a script which uses LM services , get the lines count, and ...
or sort on lines count and delete by hand

2) read each member to find out if it is EMPTY,
in this case EMPTY might have a broader meaning, ( for example only blank lines )

write a script to process each member , find out if it is empty, and ...

for case 1 search the forum using LMMSTATS, will return a few hits with examples
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Pete Wilson

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Joined: 31 Dec 2009
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PostPosted: Wed Mar 11, 2015 2:07 am
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Perhaps stop whatever is creating the empty members from doing that in the first place!

You can't always rely on stat's as depending on how you write the members the stats may not be updated. The 3.5 panel in TSO can reset the stats to show the true number of lines in a member and if it's truly empty it should show 0 and can be safely deleted. There's probably a way to do the 3.5 reset in batch or from a REXX.
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