How to save a file to the computer directly from the game files using the save dialog?
Use "Write" actions of the NWJS object.
Could you write a little more about this?
What information do you want to save?
multiple files (jar extension)
You mean Java Archive JAR? It's a binary format, how are you planning to prepare it?
You can easily save text data - just use "NWJS Write text to file" action.
You mean Java Archive JAR? It's a binary format, how are you planning to prepare it? You can easily save text data - just use "NWJS Write text to file" action.
what do you mean by "prepare"?
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What information do you want to save, and why does it need to be in JAR format?
If by "JAR extension" you mean Java Archive, then you will need to use some external library or addon to save files in this format.