Subject: bug#21065: Small bug in touch

From: Paul Eggert <[email-masked]>
Date: Wed, 15 Jul 2015 08:50:26 -0700

Pádraig Brady wrote:
> done on purpose since v5.90 with:
> http://git.sv.gnu.org/gitweb/?p=coreutils.git;a=commitdiff;h=e3513e1

Yes, the intent was that there be a way from the shell to touch a file even when 
one has only its file descriptor.  Although POSIX does not specify the behavior 
of 'touch -' so portable scripts can't rely on it, users of GNU 'touch' can use 
it regardless of the underlying platform.