How to programmatically create a script with text without saving it?

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What I'm trying to do is have my function start a new m-file and add text to it, but without saving it.
fopen directly saves the file and edit does not let me append content without typing it in the script myself.
The solution could look something like:
contents = 'Hello world!';
edit('tmp.m', contents);
Where contents is to be printed in the file without saving it. I know that edit only takes filenames for inputs but this is just for illustration.
  2 Commenti
Stephen23 il 14 Ago 2018
Modificato: Stephen23 il 14 Ago 2018
"fopen directly saves the file"
Not really: fopen opens a file for writing or reading, or both. It does not save any data to any files.
Robert il 14 Ago 2018
What I meant was that when using fopen with a non-existing file name, the file is created and stored on disk, which wasn't what I wanted.

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Jan il 14 Ago 2018
Modificato: Jan il 28 Set 2021
Str = sprintf('Hello!\nHere I am.\n');
EditorService = com.mathworks.mlservices.MLEditorServices;
doc matlab.desktop.editor
  1 Commento
Robert il 14 Ago 2018
Modificato: Robert il 14 Ago 2018
Thanks Jan for the quick response. newDocument was not accepted as a method for EditorService, but this worked for me:
str = sprintf('Hello!\nHere I am.\n');
editorService = com.mathworks.mlservices.MLEditorServices;
editorApplication = editorService.getEditorApplication();
One small thing: Your string contains a quote that shouldn't be there. Thanks again!

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