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From: worley@alum.mit.edu (Dale R. Worley)
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Subject: Re: Proposed new feature for bash:  unbuffered pipes
Date: Thu, 23 Apr 2020 19:39:09 -0400
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Xref: csiph.com gnu.bash.bug:16232

Andreas Schwab <schwab@linux-m68k.org> writes:
> See stdbuf(1).

The limitation(s) of stdbuf are:  It can only be applied to the standard
I/O streams.  It doesn't affect statically-linked executables.  It only
applies to a single executable, so if the command is a shell function or
script, or creates subprocesses, it doesn't affect them.

Dale