On Sun, 27 Aug 2006 19:00:26 +0000, Dave Salt <[EMAIL PROTECTED]> wrote:
> 
> Copying all members that were modified since a given point in time is
> extremely easy to accomplish if SimpList is installed. First, SEE would be
> 
Promo noted.  Likely valuable to those who have the product or are considering
obtaining it.

> Personally, instead of copying modified members to another data set I prefer
> to back them up to a directory on my PC. So, I use the SEE command to see
> only the members I've changed since a certain date, and then I enter 'N *'
> on the command line to tra'N'sfer all of the displayed members to my PC.
> 
Does this satisfy the OP's requirement to serialize updates among multiple
developers?  And once you've moved the recent members to your PC, how do
you transfer them to PARMLIB/PROCLIB?

Workstation Agent might allow a programmer a prolonged virtual edit session,
even extending through a time when the workstation is disconnected from the
mainframe, perhaps in a briefcase in transit from one workplace to another.
Does ISPF maintain the serialization of the member being edited over such
intervals?  Likewise, if an edit session is interrupted with RECOVERY ON,
does ISPF lock out other editing of the same member until the original user
recovers?

I once participated in a group freeware development project on CMS.  The team
leader accepted updates in CMS UPDATE (similar to IEBUPDTE) format; checked
for collisions; and redistributed them to the team.  I generated my deltas
with SuperC; others may have used XEDIT or other techniques.  Of course, any
developer must be careful to generate the delta relative to a snapshot
at the time he began his modifications, not relative to the current 
distribution,
which would cause regressions.

As others have noted here, CMS UPDATE provides mechanisms for managing delta
libraries far more sophisticated than IEBUPDTE.  I exploited them; they
were useful, but not sufficient to make me prefer CMS nowadays to z/OS.
That tipping point happened about TSO/E Rel 2, when Rexx came to MVS.

-- gil
-- 
StorageTek
INFORMATION made POWERFUL

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