Thread Subject: Compare files in MATLAB

In MATLAB 2007b, file comparisons could be done by the
following code

desktop = com.mathworks.mde.desk.MLDesktop.getInstance;
desktop.showGroup('File Comparisons',1)

Then select two files.

Thanks Yair Altman,


Anh Huy Phan

RIKEN - BSI

"Huy " <phananhhuy@mathworks.com> wrote in message
<fkmbfv$4h4$1@fred.mathworks.com>...
> In MATLAB 2007b, file comparisons could be done by the
> following code
>
> desktop = com.mathworks.mde.desk.MLDesktop.getInstance;
> desktop.showGroup('File Comparisons',1)
>
> Then select two files.
>
> Thanks Yair Altman,
>
>
> Anh Huy Phan
>
> RIKEN - BSI


Much obliged... :-)

Here's a bonus, since you seem interested in this: You can
programatically set the compared files as follows:
com.mathworks.mde.difftool.DiffReportGroup.getInstance.showFileDiff(filePathLeft,filePathRight,numColumns);
Now you don't need to manually select anything.

The related function
showUnsavedChangesDiff(filePathLeft,textString,numColumns)
compares the contents of disk file filePathLeft with
textString (typically the unsaved version of the same file).

There's also a related showHTMLReport(file1,file2) function.

Of course, these functions are highly prone to change in
future Matlab versions, since they're way deep in
undocumented territory.

Enjoy!

Yair Altman
http://ymasoftware.com

"Yair Altman" <altmanyDEL@gmailDEL.comDEL> wrote in message
<fkmigl$24k$1@fred.mathworks.com>...
> "Huy " <phananhhuy@mathworks.com> wrote in message
> <fkmbfv$4h4$1@fred.mathworks.com>...
> > In MATLAB 2007b, file comparisons could be done by the
> > following code
> >
> > desktop = com.mathworks.mde.desk.MLDesktop.getInstance;
> > desktop.showGroup('File Comparisons',1)
> >
> > Then select two files.
> >
> > Thanks Yair Altman,
> >
> >
> > Anh Huy Phan
> >
> > RIKEN - BSI
>
>
> Much obliged... :-)
>
> Here's a bonus, since you seem interested in this: You can
> programatically set the compared files as follows:
>
com.mathworks.mde.difftool.DiffReportGroup.getInstance.showFileDiff(filePathLeft,filePathRight,numColumns);
> Now you don't need to manually select anything.
>
> The related function
> showUnsavedChangesDiff(filePathLeft,textString,numColumns)
> compares the contents of disk file filePathLeft with
> textString (typically the unsaved version of the same file).
>
> There's also a related showHTMLReport(file1,file2) function.
>
> Of course, these functions are highly prone to change in
> future Matlab versions, since they're way deep in
> undocumented territory.
>
> Enjoy!
>
> Yair Altman
> http://ymasoftware.com


Yair Altman, You're really professional!!!

Thanks!

Yair Altman wrote:
> "Huy " <phananhhuy@mathworks.com> wrote in message
> <fkmbfv$4h4$1@fred.mathworks.com>...
>> In MATLAB 2007b, file comparisons could be done by the
>> following code
>>
>> desktop = com.mathworks.mde.desk.MLDesktop.getInstance;
>> desktop.showGroup('File Comparisons',1)
>>
>> Then select two files.
>>
>> Thanks Yair Altman,
>>
>>
>> Anh Huy Phan
>>
>> RIKEN - BSI
>
>
> Much obliged... :-)
>
> Here's a bonus, since you seem interested in this: You can
> programatically set the compared files as follows:
> com.mathworks.mde.difftool.DiffReportGroup.getInstance.showFileDiff(filePathLeft,filePathRight,numColumns);
> Now you don't need to manually select anything.
>
> The related function
> showUnsavedChangesDiff(filePathLeft,textString,numColumns)
> compares the contents of disk file filePathLeft with
> textString (typically the unsaved version of the same file).
>
> There's also a related showHTMLReport(file1,file2) function.
>
> Of course, these functions are highly prone to change in
> future Matlab versions, since they're way deep in
> undocumented territory.
>
> Enjoy!
>
> Yair Altman
> http://ymasoftware.com

Great point Yair! It would certainly be useful to call the diff tool
programatically. I've created an enhancement request for this.

-Ken

Ken Orr wrote:
> Yair Altman wrote:
>> "Huy " <phananhhuy@mathworks.com> wrote in message
>> <fkmbfv$4h4$1@fred.mathworks.com>...
>>> In MATLAB 2007b, file comparisons could be done by the following code
>>>
>>> desktop = com.mathworks.mde.desk.MLDesktop.getInstance;
>>> desktop.showGroup('File Comparisons',1)
>>>
>>> Then select two files.
>>>
>>> Thanks Yair Altman,
>>>
>>>
>>> Anh Huy Phan
>>>
>>> RIKEN - BSI
>>
>>
>> Much obliged... :-)
>>
>> Here's a bonus, since you seem interested in this: You can
>> programatically set the compared files as follows:
>> com.mathworks.mde.difftool.DiffReportGroup.getInstance.showFileDiff(filePathLeft,filePathRight,numColumns);
>>
>> Now you don't need to manually select anything.
>>
>> The related function
>> showUnsavedChangesDiff(filePathLeft,textString,numColumns)
>> compares the contents of disk file filePathLeft with
>> textString (typically the unsaved version of the same file).
>>
>> There's also a related showHTMLReport(file1,file2) function.
>>
>> Of course, these functions are highly prone to change in
>> future Matlab versions, since they're way deep in
>> undocumented territory.
>>
>> Enjoy!
>>
>> Yair Altman
>> http://ymasoftware.com
>
> Great point Yair! It would certainly be useful to call the diff tool
> programatically. I've created an enhancement request for this.
>
> -Ken

It turns out there is an undocumented function that will do part of what
your asking for. visdiff will open up the diff tool for two files. It
only takes file names as input right now.

As always, note that this is an undocumented function, so it’s
availability and signature may change in the future.