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bug#12115: Please add tip about using tac to reverse a file byte-by-byte
From: |
Eric Blake |
Subject: |
bug#12115: Please add tip about using tac to reverse a file byte-by-byte |
Date: |
Wed, 01 Aug 2012 15:50:18 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0 |
On 08/01/2012 03:37 PM, Reuben Thomas wrote:
> Patch:
>
>>From 3c1b7d442dc6161e3c88703c9acc3f768f9ba689 Mon Sep 17 00:00:00 2001
> From: Reuben Thomas <address@hidden>
> Date: Wed, 1 Aug 2012 22:35:38 +0100
> Subject: [PATCH] doc: Add tip on reversing a file byte-by-byte
>
> * doc/coreutils.texi: Note how to use tac to reverse a file
> byte-by-byte.
> ---
> doc/coreutils.texi | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/doc/coreutils.texi b/doc/coreutils.texi
> index 516ec73..66b0838 100644
> --- a/doc/coreutils.texi
> +++ b/doc/coreutils.texi
> @@ -1625,6 +1625,12 @@ Use @var{separator} as the record separator,
> instead of newline.
>
> @end table
>
> +To reverse a file byte by byte, use:
> +
> address@hidden
> +tac -r -s '.\| ' @var{file}
Cool tip. But not quite accurate - you need a literal newline instead
of a space on the other side of that regex alternation.
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Reuben Thomas, 2012/08/01
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte,
Eric Blake <=
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Jim Meyering, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Andreas Schwab, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Jim Meyering, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Andreas Schwab, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Jim Meyering, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Voelker, Bernhard, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Andreas Schwab, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Eric Blake, 2012/08/02
- bug#12115: Please add tip about using tac to reverse a file byte-by-byte, Andreas Schwab, 2012/08/02