Programmatically Change Preferences?

9 次查看（过去 30 天）
meghannmarie
meghannmarie 2020-9-15
编辑： Stefanie Schwarz 2023-3-28
How do I promatically change preferences? I am running a script from command line in linux (on a HPC). I am using a tall array and I am getting this error: "Error using matlab.mapreduce.internal.Serializer/writeToMatfile (line 44). Unable to write to MAT-file because one of the values exceeds the size limit. Ensure each value is less than 2GB or use a Hadoop location." I think I may have to set my preferences to save matfiles as version 7.3. How do I do that in a script?
I tried this on my windows machine and it does not seem to work.
pref = regexp( fileread(fullfile(prefdir,'matlab.prf')), '\n', 'split');
loc = find(~cellfun(@isempty,regexp(pref,'MatfileSaveFormat=')));
if isempty(loc); pref{end+1} = 'MatfileSaveFormat=Sv7.3';
else; pref{loc} = 'MatfileSaveFormat=Sv7.3';
end
fid = fopen(fullfile(prefdir,'matlab.prf'), 'w');
fprintf(fid, '%s\n', pref{:});
fclose(fid);
Any ideas?

请先登录，再回答此问题。

采纳的回答

Fangjun Jiang
Fangjun Jiang 2020-9-15
编辑：Stefanie Schwarz 2023-3-28
to save matfiles as version 7.3, use save(FILENAME, ..., VERSION)
to set MATLAB preference, https://www.mathworks.com/help/releases/R2020a/matlab/matlab_external/access-and-modify-settings.html
  2 个评论
meghannmarie
meghannmarie 2020-9-15
I am not saving any files, so I cannot use save(FILENAME, ..., VERSION). The tall array function is saving a matfile in a temporary folder.
meghannmarie
meghannmarie 2020-9-15
I think this may work, trying it now:
s = settings;
s.matlab.general.matfile.SaveFormat.TemporaryValue = 'v7.3';

请先登录，再进行评论。

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Workspace Variables and MAT Files 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by