Re: [Help-bash] How to create a real copy of file descriptors stdout / stderr?

[João Eiras]

> Is unbuffer / script unavoidable?

I think so. Not an expert on the subject, but this is something
handled by the system. Either the stdout of the program is directed to
a pty device (a terminal) or another process. The system will do line
buffering for the first, and block buffering for the second (like 4k).