Angel Tsankov wrote:

> exit
> END FILE
>
> Then simply call:
> echo build-package-name.txt | su

What will happen if I do not append an 'exit' at the end of the file?

Then it will get stuck I think and you will have to hit C-c to get out of it.

No, it does not. I tried with and without 'exit' and I get the same result, at least "visually", i.e. I did not chech if some process is left waiting or anything like this.

That's not surprising.
Non-interactive shell should terminate when it encounters EOF on input stream.


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