Re: Ndiff ready to be tested

[Fyodor <fyodor () insecure org>]

On Wed, Jul 02, 2008 at 07:21:55PM -0700, Fyodor wrote:
> On Tue, Jul 01, 2008 at 12:48:09AM -0600, David Fifield wrote:
> > On Thu, Jun 26, 2008 at 11:44:47PM -0400, Michael Pattrick wrote:
> >
> > Syntax: ndiff (-[y|Y]|-[x|X]) [out.file] newerscan.xml oldscan.xml [olderscan.xml] [...]
>
> I'm not convinced that basing the behavior on the caplitalization is
> the best approach.  How is someone supposed to remember whether -x or
> -X is the version which takes a filename?  For example, imagine
> someone tries to diff three files (using your current ordering) as so:
>
> ndiff.pl -Y newestscan.xml older.xml oldest.xml
>
> Since the user did 'Y' instead of the proper 'y' for the situation,
> does that mean newestscan.xml gets blown away?  Since the script
> allows more than two files to be diff'd now, you can just catch the
> problem based on too many files being listed.

I noted this potential issue, but didn't suggest any solutions.  One
idea would be to keep -x and -t (or -y) and then have a special -o
option for when you want to specify an output file.  Then you could
make -X and -T aliases for -x and -t so people don't even have to
remember the proper capitalization.

Cheers,
-F

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