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bug#20542: Differences between q and Q
From: |
Davide Brini |
Subject: |
bug#20542: Differences between q and Q |
Date: |
Sun, 10 May 2015 23:04:04 +0200 |
On Sun, 10 May 2015 17:45:14 +0200, Paolo Bonzini <address@hidden> wrote:
>
>
> On 10/05/2015 07:07, Daniel Goldman address@hidden [sed-users] wrote:
> > Again, to repeat, the purpose of my post (based on emails I received)
> > was to suggest that the GNU sed manual be corrected to read "Note that
> > the current pattern space is printed if auto-print is not disabled with
> > the -n options. Also, scheduled text is printed." for q, and "This
> > command is the same as q, but will not print the contents of pattern
> > space, nor any scheduled text." for Q. If anyone has comments on this
> > admittedly minor correction, that would be great. If no comments,
> > that's OK too. :)
>
> Yes, this is a good change. I'm CCing the current GNU sed maintainer so
> that he can work it out into a patch.
>
> By the way, there is another command ("d") that suppresses scheduled text.
Doesn't seem to affect the "a", "i" and "c" commands (I'm not sure this is
as it should be):
$ echo x | sed -e 'a y' -e d
y
$ echo x | sed -e 'i y' -e d
y
$ echo x | sed -e 'c y' -e d
y
$ sed --version
sed (GNU sed) 4.2.2
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
...
--
D.