Thank you for your comment.
Here I aimed to present an idea of “Post TestSuite processing” to those who visited the following thread
I wanted to show a working example of “Post Test Suite processing” for their reference.
java.util.zip, Gradle, Ant — Yes, of course. You can use any approach to implement post-processing. Here I chose shell commands just because I love those good old one-liners. Zip, mv and curl still shine to me.
OS agnostic
You are right. But it doesn’t matter to me very much. I know it is easy to rewrite this for Windows + PowerShell environment when I need it.