Re: [Matlab-emacs-discuss] annoying path behavior of the *MATLAB* shell buffer who is the culprit

[Eric L. <Eri...@ma...>]

Hiya,

Matlab-shell uses dirtrack, or shell-directory-tracker.  It just watches the input stream and changes default-directory when it sees:

cd /some/path/to/directory

I'll guess MATLAB syntax around (['/path']) is confusing it.

You could probably replace all the parens etc with just:

cd '/path'

which should work fine.  I tried this with a DOS shell in Emacs and Emacs followed the path even though the actual shell threw and error.

Eric

-----Original Message-----
From: Uwe Brauer [mailto:ou...@ma...] 
Sent: Friday, February 24, 2017 11:57 AM
To: matlab-emacs-discuss <mat...@li...>
Subject: [Matlab-emacs-discuss] annoying path behavior of the *MATLAB* shell buffer who is the culprit


Hi all

I find the following quite annoying and look desperately for a solution.

I am using the following structure

Dir-Matlab/dir1/test.m
Dir-Matlab/dir2/test2.m

Now I open test.m and  run matlab-shell-save-and-go I see
>> cd(['/home/oub/ALLES/Dir-Matlab/dir1/'])
>> test
y =    64

Which is ok, so I open test2.m in dir2 and do the same, again the shall
does it nicely 
>> cd(['/home/oub/ALLES/Dir-Matlab/dir2/'])
>> test2 
y =     49

And indeed
>> pwd

tells me 

/home/oub/ALLES/Dir-Matlab/dir2

Which is ok.

However when I use find-file, in the *MATLAB* shell, then the buffer of
the matlab shell thinks that I am still in dir1.

Find file: ~/ALLES/Dir-Matlab/dir1/

How can I tell the buffer that I am running that I am in the dir2?

Or in other words 
>> cd(['/home/oub/ALLES/Dir-Matlab/dir2/'])

should be reflected in the *MATLAB* buffer

Anybody has an idea how to achieve that?

The only idea which occurred to me is this function

(defun my-matlab-switch-and-save-default-directory ()
    (interactive)
    (let ((saved-default-directory default-directory))
	(switch-to-buffer "*MATLAB*")
                (setq default-directory saved-default-directory)))

Which should somehow be included in matlab-shell-save-and-go, any
suggestions?

Regards

Uwe Brauer 

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