OpenEuphoria

Re: Don: Compare Directories and Files

• Posted by don cole <doncole at pacbell?net> Jul 10, 2007
• 589 views

Pete Lomax wrote:
> 
> don cole wrote:
> > diff.zip by R. M. Forno. My main goal is to compare
> > different versions of Arwen to to see haw to place color tabs.  
> >      
> > Forno's diff works fine on small test programs but when I tried to compare
> > 2 versions of Arwen it took too long. So I left it running all night.
> > Next day it was still running. Maybe what I am tring to do is an imposible
> > task.
> ...
> >Hello Alan,
> >
> >   <a
> >   href="http://palacebuilders.pwp.blueyonder.co.uk/edita.htm#download">http://palacebuilders.pwp.blueyonder.co.uk/edita.htm#download</a>
> >
> > I'm only interested in Arwen at this time. Compare it with any old/
> > download 'Arwen win32 library' by Mike.
> 
> Don, what is the problem? It /is/ a tough compare, and while I am sure a
> windows
> port of the unix command-line diff runs much quicker, even on this crappy box,
> Edita solves this in 17 mins, at 2006 differences [see PPPS] and a complexity
> of ~5.8 million (meaning that in those 17 mins it logged 5.8 million decision
> points before finding the optimal answer) but it got there.
> 
> Is there something wrong with the Edita file compare output?
> 
> Is there something wrong with coloured tabs in Edita?

Apparently you have uploaded a new version of Edita. (The old one didn't have
coloed tabs.)


> 
> If you failed to understand the source mods I posted what makes you think you
> will understand a source diff anyway? 

Oh yes! I'm very smart.
> 
> Is there something in the new Arwen you need in the one I ship with Edita?
> 
> Confused,
> Pete
> 
> PS to Alan Oxley: I would be interested in your results but I have to warn you
> I spent much time investigating source comparision and would be (pleasantly)
> surprised to see my code beat, on the same kit that is. 
> 
> PPS to Al Getz: I fell off my chair laughing at your "Comparing files really
> isnt hard at all." - obviously "are these files binary identical?" is what you
> probably meant, but "shortest edit difference" has kept some very bright
> acedemics
> awake at night long time now and still will for some time yet. 
> 
> PPPS If you can prove it is even one less than 2006, please let me know.
> 
> PPPPS I just want to say that 17 mins is directly related to the 2006
> differences;
> were there only 100 it should get it done in under a second.

Sorry Pete,

But I can't spend anymore time on this post as I have to download the new
  version of Edita and check out those colored tabs.

Don Cole