9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: Christian Neukirchen <chneukirchen@gmail.com>
To: 9fans@9fans.net
Subject: Re: [9fans] fun with rc
Date: Thu, 12 Mar 2015 19:09:02 +0100	[thread overview]
Message-ID: <87pp8e9jgh.fsf@gmail.com> (raw)
In-Reply-To: <8f07dd60b7c8ad5c85e3b6ed8ac18a37@brasstown.quanstro.net> (erik quanstrom's message of "Thu, 12 Mar 2015 09:46:31 -0700")

erik quanstrom <quanstro@quanstro.net> writes:

> so an interesting problem i run into from time to time is separately computing
> the files added to and deleted from a directory in a shell script.  uniq doesn't
> work for this.  certainly one can loop over two lists of files and do
> this easily,
> but that seems dull and tedious.

Isn't this a canonical use case for comm(1)?

--
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org




  parent reply	other threads:[~2015-03-12 18:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-12 16:46 erik quanstrom
2015-03-12 17:07 ` minux
2015-03-12 17:17   ` erik quanstrom
2015-03-12 18:09 ` Christian Neukirchen [this message]
2015-03-12 18:31   ` erik quanstrom

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=87pp8e9jgh.fsf@gmail.com \
    --to=chneukirchen@gmail.com \
    --cc=9fans@9fans.net \
    /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).