MATLAB Answers

How to keep/use last used CURRENT DIR?

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Igor
Igor on 24 Jun 2011
Edited: Ian on 10 Sep 2015
One decision has proposed by om_s (at russian matlab-forum):
% put this file in matlabroot\toolbox\local\startup.m
cd_path=strcat(prefdir,'\cwdhistory.m');cd_dir=importdata(cd_path);
cd_path=cd_dir{1};cd(cd_path);clear cd_path cd_dir;
But I don't believe that there is no decision by MATLAB IDE way (any radiobutton or...). The goal is: every MATLAB session begins with current folder that have used in last session.

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Accepted Answer

Daniel Shub
Daniel Shub on 24 Jun 2011
I think in order to be consistent with the -r and -sd (Windows only) startup flags and environment variables on UNIX, it might be better to change userpath in finish.m. This way, if a startup path is specified, it does not get overwritten. I would simply add:
userpath(pwd)
to finish.m. This way also handles the case where the last directory is deleted after quitting MATLAB.

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Igor
Igor on 24 Jun 2011
It's better...
(restricted for Windows)
Daniel Shub
Daniel Shub on 24 Jun 2011
There is no reason why it should be restricted to Windows.
Igor
Igor on 24 Jun 2011
as I understood help on userpath, for UNIX some additional commands are required

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More Answers (3)

Bjorn Gustavsson
Bjorn Gustavsson on 24 Jun 2011
Maybe something like this in your finish.m:
last_working_dir = pwd;
save(fullfile('~','.matlab','lastest_dir.mat'),'last_working_dir')
Then in your startup - preferably not in the $matlabroot directory, then all users will get the same behaviour, and as GB Shaw said: "Dont do to others what you want them do to you - they might have different preferences":
if exist(fullfile('~','.matlab','lastest_dir.mat'),2)
load(fullfile('~','.matlab','lastest_dir.mat'))
% Wrap any amunt of finesse around the cd...
cd(last_working_dir)
end
HTH, Bjoern

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Daniel Shub
Daniel Shub on 24 Jun 2011
What is the advantage of writing the last directory to a file in finish.m, since it is already saved in cwdhistory (as pointed out in the question)?
Igor
Igor on 24 Jun 2011
yes, yes
I said this om_s when he proposed first to use both files...
Bjorn Gustavsson
Bjorn Gustavsson on 24 Jun 2011
@Igor, only one file is written, you have startup.m and finish.m anyways.
@Daniel: If done the way I suggest with finish.m you get to the last used working directory of the matlab session most recently closed, what happens with cwdhistory.m when you have more than one matlab session running I couldn't be bothered to find out since it was so easy to make something where I know for sure what's happening.

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Roberto
Roberto on 31 Dec 2014

There´s a tutorial here:

https://www.youtube.com/watch?v=yz6ZGVOrPUM

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Ian
Ian on 10 Sep 2015
Edited: Ian on 10 Sep 2015
In Matlab R2015a for Mac OS X, this is a setting one can change in the preferences:
Preferences | Matlab | General
One can select one of three options:
Location based on Matlab Startup Rules
Last working folder from previous Matlab Session
(Specify the full path to a folder ...)

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