Export function is saving previous result of matlab live script

Export function is saving previous result of matlab live script, and saving it is loosing all the data when overwritten.

I have a matlab live script file, and export function is included in that, however it is not saving the current run data.

is there any way to export the only data of the current state of matlab live script?

Answer 1

[Pavan Sahith]

Hello @Prathyusha Gurrampally,

The “export()” function takes a file path as argument and therefore, it loads the last saved state of the file from disk for the export. So the results are not current. If the most recent execution results should be considered while exporting, please save the file before exporting.

You can also do it programatically, Here is an example :

global scripts_dir_ul script_name
input_file = fullfile(scripts_dir_ul, script_name); % Path to the current running .mlx file
output_file = "Test_" + string(datetime('now', 'Format', 'yyyy-MM-dd_HH_mm_ss')) + "_report.pdf";

% Save the live script
matlab.internal.liveeditor.executeAndSave(which(input_file));

% Export the PDF file
matlab.internal.liveeditor.openAndConvert(which(input_file), fullfile(scripts_dir_ul, output_file));

disp(['Report exported to: ', fullfile(scripts_dir_ul, output_file)]);

• matlab.internal.liveeditor.executeAndSave(which(input_file));: This function ensures the live script is saved with the latest data before any export operations. The which function provides the full path to the .mlx file, which is necessary for the executeAndSave function to work correctly.
• matlab.internal.liveeditor.openAndConvert(which(input_file), fullfile(scripts_dir_ul, output_file));: This function opens the saved live script and converts it to the desired format (PDF in this case).

You can refer to following links to know more

• https://www.mathworks.com/matlabcentral/answers/1908365
• https://www.mathworks.com/matlabcentral/answers/282820
• https://www.mathworks.com/help/matlab/matlab_prog/share-live-scripts.html

[Prathyusha Gurrampally]

Hi Pavan,

I am facing the below issue while using this method

Error using matlab.internal.liveeditor.LiveEditorUtilities.execute (line 28)

Nested Live Editor execution is not supported.

Error in matlab.internal.liveeditor.executeAndSave (line 27)

executionTime = matlab.internal.liveeditor.LiveEditorUtilities.execute(editorObj.Editor.RtcId, fileNameToExecute);

Error in Automation_test_suite_RF>export_output (line 319)

matlab.internal.liveeditor.executeAndSave(which(input_file));

[Pavan Sahith]

I tried with a sample code in MATLAB R2023a and I don't face any issue with nested Live Script execution.

However, I noticed a thread where a user highlighted that she faced a similar issue, noting "Nested Live Editor execution is not supported" in MATLAB starting from version R2023b and onwards.

https://www.mathworks.com/matlabcentral/answers/2048437-nested-live-script-execution-issue-in-matlab-2023b?s_tid=srchtitle

To work around this limitation, try running this code form a .m file,which might avoid the nested execution issue.

Answer 2

[Yukthi S]

Hi @Prathyusha Gurrampally

You can refer to this existing MATLAB amswer: https://www.mathworks.com/matlabcentral/answers/1908365-why-does-export-function-on-a-live-script-export-the-data-of-the-previous-run?s_tid=answers_rc1-3_p3_MLT

Save the file before exporting to get the most recent execution results!

[Prathyusha Gurrampally]

Hi Yukthi,

As this is a part of automation, is there any way to save the matlab live script, without loosing the data,

i am using the below code function and after run , but my matlab live script is empty and not opening,

global scripts_dir_ul script_name

input_file = fullfile(scripts_dir_ul,script_name) %here the script name is current running .mlx file

ofile = "Test_"+string(datetime('now','Format','yyyy-MM-dd_HH_mm_ss'))+"_report.pdf"

% Save the live script

save(inputfile)

% Export the PDF file

pdfFile = export(input_file,fullfile(scripts_dir_ul,ofile));

disp(['Report exported to: ',fullfile(scripts_dir_ul, ofile)])

[Yukthi S]

Hello @Prathyusha Gurrampally

Try using

save(input_file)

instead of

save(inputfile)

[Prathyusha Gurrampally]

Hi Yukthi,

Sorry, its a typo in the above code, However, i am trying to save using ' save(input_file) '