[p4] Diff of two files in two workspaces.

Arnt Gulbrandsen arnt at gulbrandsen.priv.no
Thu Jul 13 13:17:45 PDT 2006

Steven W. Orr writes:
> I have two workspaces. One is sync'd from the main branch of the 
> depot, the other is sync'd from a branch that was created from a 
> somewhat complex branchspec. The workspace are identical in that they 
> both contain the same filenames in the same directory structure.
> I'm coming from a ClearCase background so please be gentle. I'm 
> looking for a P4 operation that will say to me: Take these two files 
> and tell me if they are both from the same version in the depot.
> For example, I could run a standard diff or cmp operation on two 
> files, but all that would tell me is if they are equal in content. 
> What I'd like is for some way to see that they both came from the 
> same rev. If I look in p4v at the revision graph of the two files I 
> can visually see the information I'm looking for.
> Is there a way to do this?

Sure. Since you know unix well enough to know about cmp, here's a 
three-line shell script to do that. Give it two command-line arguments 
and it gives you the answer.

fstat() { ( cd `dirname $*` ; p4 fstat `basename $*` | grep -v clientFile ) }
[ "`fstat $1`" = "`fstat $2`" ] && echo Same file || echo Different file


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