[p4] Seeing have list without updating client access time?

[Eric Busto]

I'm working on a script, as I'm sure many of you have before, that
prunes old clients as a first step to shrinking our utterly ginormous db
files.  As part of this, I want to be able to estimate space savings
based on how large the have list is for each old client.

Finding old clients is easy (p4 -Ztag clients), and finding their have
list is straightforward as well, but not without updating the access
times of the client.  I search the perforce-user archives, and found a
few methods, but all of them update the access time of the client.

Methods tried:
1) p4 files //... at client-name (this one was supposed to not update
access times, but the mail was from 2003, so things may have changed in
Perforce land)
2) p4 -c client have
3) p4 -c client files

Does anyone have any other ideas?  I really want to avoid munching a
checkpoint if possible, since we take them, well, not as frequently as I
would like.

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