MATLAB: How to update the data in slx file without matlab/simulink

MATLAB and Simulink Student Suiteopcslxzip

I am trying to automate few things and as a part of this, I want to change few things from the SLX model. I am aware that the SLX files are zipped files based on OPC format. So the question is – is it possible to extract the slx files in a folder, modify the content, zip it back and rename to slx?
I am getting error on performing the above steps as shown below: "Error using open (line 145) File 'C:\Test.slx' does not contain a valid Simulink model in SLX format: Content types stream does not exist"
Is there any particular setting that I need to set in 7zip to create the zip archive?
Regards and Thanks, Jitesh

Best Answer

Its much simpler.. When you zip again, dont select the whole folder. Select the sub-folders and zip.
In other words, when you zip it after your changes, and double click, you should see _rels, metadata, simulink, [Content_Types].xml within the zip AND NOT A FOLDER which inturn has the above folders.
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