From: Niklas Karlsson <nikke.karlsson@gmail.com>
To: Tyler Adams <coppero1237@gmail.com>
Cc: The Eunuchs Hysterical Society <tuhs@tuhs.org>
Subject: Re: [TUHS] The UNIX Command Language (1976)
Date: Fri, 4 Dec 2020 14:17:43 +0100 [thread overview]
Message-ID: <CAK6BEgcnS8T8onti1n_zQscBHxwTzkL1g3RT_vCRXrbP-s+c3g@mail.gmail.com> (raw)
In-Reply-To: <CAEuQd1A3VKfuqr8vL8e7mxWVpKC8yzNAgzBd3vAD=KhaED5dzA@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1080 bytes --]
< file grep foo works.
Niklas
Den fre 4 dec. 2020 kl 14:16 skrev Tyler Adams <coppero1237@gmail.com>:
> I find cat file | grep foo simpler because it reads Left to Right.
>
> Tyler
>
>
> On Fri, Dec 4, 2020 at 1:34 PM Andy Kosela <akosela@andykosela.com> wrote:
>
>> On 12/4/20, arnold@skeeve.com <arnold@skeeve.com> wrote:
>> > Dan Cross <crossd@gmail.com> wrote:
>> >
>> >> This has always struck me as particularly elegant in scripts. Consider:
>> >>
>> >> cat "$@" | whatever
>> >>
>> >> (Or you may prefer `cat $* | whatever`)
>> >>
>> >> Now one's script can take any number of file arguments or stdin, even
>> if
>> >> the filter does not.
>> >
>> > I think Dan has hit the heart of the matter. People are used to using
>> > cat for multiple files to start pumping data down a pipeline, so they
>> > continue to do so even when there's only one file.
>> >
>>
>> The classic example is:
>>
>> $ cat file | grep foo
>>
>> instead of the simpler:
>>
>> $ grep foo file
>>
>> It appears cat(1) and pipe(7) are deeply ingrained in people's brains.
>>
>> --Andy
>>
>
[-- Attachment #2: Type: text/html, Size: 2088 bytes --]
next prev parent reply other threads:[~2020-12-04 13:18 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAKH6PiWA2uN4m0AGp7VRJTQ6XXDLJQweHoHjx2wN=zQYs1onpA@mail.gmail.com>
2020-12-03 20:31 ` M Douglas McIlroy
2020-12-03 20:37 ` Niklas Karlsson
2020-12-03 20:43 ` Larry McVoy
2020-12-03 20:56 ` Ralph Corderoy
2020-12-03 21:01 ` Ben Walton
2020-12-03 21:12 ` Clem Cole
2020-12-04 0:29 ` Dave Horsfall
2020-12-04 0:43 ` Rob Pike
2020-12-04 0:48 ` Larry McVoy
2020-12-04 1:25 ` Dan Cross
2020-12-04 9:27 ` arnold
2020-12-04 11:33 ` Andy Kosela
2020-12-04 13:14 ` Tyler Adams
2020-12-04 13:17 ` Niklas Karlsson [this message]
2020-12-04 13:22 ` Tyler Adams
2020-12-04 13:25 ` Niklas Karlsson
2020-12-04 0:45 ` George Michaelson
2020-12-04 1:10 ` Bakul Shah
2020-12-04 1:17 ` George Michaelson
2020-12-03 20:51 ` M Douglas McIlroy
2020-12-01 3:13 Norman Wilson
2020-12-02 0:31 ` George Michaelson
2020-12-02 1:06 ` Adam Thornton
2020-12-02 17:02 ` John Cowan
[not found] <CAMP=X_mO9oawUpHGOvgVtwVTgcmvdXAc5vrE_+s3d2NsH+1HgA@mail.gmail.com>
2020-12-01 0:00 ` Joachim via TUHS
2020-12-01 0:21 ` Dave Horsfall
2020-12-01 2:23 ` Larry McVoy
-- strict thread matches above, loose matches on Subject: below --
2020-11-30 3:10 Joachim via TUHS
2020-11-30 8:30 ` Thomas Paulsen
2020-11-30 13:36 ` Brantley Coile
2020-11-30 15:12 ` Tom Ivar Helbekkmo via TUHS
2020-11-30 15:52 ` Clem Cole
2020-11-30 16:25 ` Dan Cross
2020-11-30 16:38 ` Warner Losh
2020-11-30 16:41 ` Dan Cross
2020-11-30 16:37 ` Larry McVoy
2020-11-30 16:54 ` Clem Cole
2020-11-30 18:13 ` Theodore Y. Ts'o
2020-11-30 18:25 ` John Cowan
2020-11-30 18:37 ` Clem Cole
2020-11-30 20:11 ` arnold
2020-11-30 21:49 ` Will Senn
2020-12-01 2:55 ` Jon Steinhart
2020-11-30 18:46 ` Nemo Nusquam
2020-12-01 3:59 ` jason-tuhs
2020-12-01 4:03 ` Jon Steinhart
2020-12-01 9:27 ` Steve Nickolas
2020-12-01 15:09 ` Jim Capp
2020-12-01 15:35 ` Toby Thain
2020-12-01 15:38 ` arnold
2020-12-01 16:24 ` Warner Losh
2020-12-01 16:39 ` arnold
2020-12-01 20:13 ` Rob Pike
2020-12-02 7:08 ` arnold
2020-12-02 7:29 ` Rob Pike
2020-12-01 20:20 ` Steffen Nurpmeso
2020-12-01 20:39 ` Bakul Shah
2020-12-01 21:24 ` Dan Cross
2020-12-01 23:44 ` John Cowan
2020-12-12 19:50 ` scj
2020-12-01 16:47 ` Larry McVoy
2020-12-01 20:13 ` Dave Horsfall
2020-12-01 20:49 ` John Cowan
2020-12-01 16:04 ` Tyler Adams
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAK6BEgcnS8T8onti1n_zQscBHxwTzkL1g3RT_vCRXrbP-s+c3g@mail.gmail.com \
--to=nikke.karlsson@gmail.com \
--cc=coppero1237@gmail.com \
--cc=tuhs@tuhs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).