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From: Ricardo Wurmus <rekado@elephly.net>
To: Tobias Geerinckx-Rice <me@tobias.gr>
Cc: guix-devel <guix-devel@gnu.org>
Subject: Re: (Ab?)using aliases to set ls' and others' colours
Date: Thu, 05 Jul 2018 00:17:39 +0200	[thread overview]
Message-ID: <87lgaq1w8s.fsf@elephly.net> (raw)
In-Reply-To: <87zhz8eeh1.fsf@lapdog.tobias.gr>


Hi Tobias,

> Tobias Geerinckx-Rice wrote:
>> Björn Höfling wrote:
>>> ls has a colored output. Nice.
>>> ls | less has ugly escape sequences. Only ls --color=no | less
>>> works.
>>
>> I'd be surprised if ‘ls | less -R’ didn't (and that would be a bug).
>>
>> Otherwise, this is standard behaviour for both ‘ls’ and ‘less’.
>
> Apologies, I made a reado.
>
> ‘ls | $foo’ should indeed detect a missing tty and stop spewing colour
> automatically. At least if ‘ls’ is properly aliased to ‘ls
> --color=auto’.
>
> Instead, it is aliased[0] to use ‘--color’ — short for ‘ls
> --color=always’ — for reasons I cannot understand. We do the same for
> ‘grep’.

I think this is simply a mistake.  Using “--color=auto” is correct here.

> On the other hand, what I consider an obvious bug has been around
> since literal forever[1], so maybe I'm missing something obvious
> here. I've CC'd the original author. If everyone agrees or nobody
> responds, I'd like to change it to something less aggressive before
> 0.15.[2]

No objections from me.  Thank you!

--
Ricardo

  parent reply	other threads:[~2018-07-04 22:18 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-03  8:15 Installation-Protocol for GuixSD x86_64 v0.15-preview Björn Höfling
2018-07-03 10:49 ` Tobias Geerinckx-Rice
2018-07-03 11:38   ` (Ab?)using aliases to set ls' and others' colours Tobias Geerinckx-Rice
2018-07-04 18:01     ` Björn Höfling
2018-07-04 22:17     ` Ludovic Courtès
2018-07-04 22:17     ` Ricardo Wurmus [this message]
2018-07-04 17:56   ` Installation-Protocol for GuixSD x86_64 v0.15-preview Björn Höfling
2018-07-03 13:20 ` Marius Bakke
2018-07-03 13:27 ` Danny Milosavljevic
2018-07-03 21:35   ` Ludovic Courtès
2018-07-04 14:10   ` KDFONTOP/PIO_UNIMAPCLR: Input/output error Ludovic Courtès
2018-07-04 14:29     ` Marius Bakke
2018-07-04 22:20     ` Ludovic Courtès
2018-07-03 21:42 ` Installation-Protocol for GuixSD x86_64 v0.15-preview Ludovic Courtès
2018-07-04 18:06   ` Björn Höfling

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