How to run a JShell File?

Question

I\'d like to run an entire file with JShell like:

$ jshell my-jshell-skript.java

Where e.g. the content of my my-jshell-skript.java

Answer 1

Launch jshell in concise feedback mode and filter the required content-

$echo '40 + 2' | jshell --feedback concise | sed -n '2p' |sed -En 's/[^>]*>(.+)/\1/gp'

output: 42

More details here- How to execute java jshell command as inline from shell or windows commandLine