From mboxrd@z Thu Jan  1 00:00:00 1970
From: schily@schily.net (Joerg Schilling)
Date: Tue, 31 May 2016 16:35:57 +0200
Subject: [TUHS] etymology of read -u
In-Reply-To: <201605310727.u4V7Rhmp030422@coolidge.cs.Dartmouth.EDU>
References: <201605310727.u4V7Rhmp030422@coolidge.cs.Dartmouth.EDU>
Message-ID: <574da14d.bG9ld/bdPDR6Rj/K%schily@schily.net>

Doug McIlroy <doug at cs.dartmouth.edu> wrote:

> What's the mnmonic significance, if any, of the u in
> the bash builtin read -u for reading from a specified
> file descriptor? Evidently both f and d had already been
> taken in analogy to usage in some other commands.

It seems to be a copy from ksh.

Ksh implements a private "print" builtin that also uses -u fd.

Jörg

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