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Re: Re: query

From: Hridyesh Pant
Subject: Re: Re: query
Date: 18 Jun 2005 03:07:42 -0000

I am able to get information about the files which are most frequently changing (descending order) between two dates. but now I need how much lines are added or removed from these files.
Hi Russ could you please guild me with the example how to get these information, it will be great.


On Fri, 17 Jun 2005 Russ Sherk wrote :
>On 6/16/05, Jim Hyslop <address@hidden> wrote:
> > Russ Sherk wrote:
> > > On 6/16/05, Jim Hyslop <address@hidden> wrote:
> > >>I'm curious - what use could this information possibly be, anyway?
> > >
> > > Usually this information is used by managers to determine churn.
> > > Bigger churn (more files/lines changed) means bigger risk.
> >
> > Not if there's a proper set of unit tests in place.
> >
> > I'm always skeptical of raw numbers like this being used for any
> > meaningful analysis.
> >
> > I don't think simply counting the number of lines added or removed is a
> > good indication of risk. Suppose the tool reports "100 lines added, 100
> > lines removed." Does that mean one line was changed 100 times? 100 lines
> > were changed, one time each? Changing one line 100 times carries less
> > risk than changing 100 lines once. And unless FishEye (or any other
> > software) performs a fairly complex analysis of exactly which lines were
> > added and removed, you won't know where on that spectrum your count of
> > "100 lines added/removed" lies.
>You are correct Jim.  It should be used together with other metrics to
>aid in determining the general health of a particular load or to see
>general trends.  E.g. we used to parse the logs between builds and
>generate a list of changed files grouped by log entry and PR #.  It
>provided a snapshot of the changes that was easy to scan.  (You could
>see what changed, how much changed etc.)  This was particularly useful
>for T&V.
> >
> > --
> > Jim
> >
> >

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