From: Matthew Stapleton <matthewstapleton@juno.com>
To: lawson_whitney@juno.com
Cc: ichi@ihug.co.nz, linux-newbie@vger.kernel.org
Subject: Re: inverting a list
Date: Sat, 20 Jul 2002 23:53:17 -0400 [thread overview]
Message-ID: <20020720.235318.-315329.13.matthewstapleton@juno.com> (raw)
Yes I knew there was an app that did exactly what I wanted...out of the
hundreds linux provides I could not remember.. Thanks -MS
On Sat, 20 Jul 2002 23:37:57 -0400 (EDT) lawson_whitney@juno.com writes:
> On Sun, 21 Jul 2002 ichi@ihug.co.nz wrote:
>
> > st: linux-newbie@vger.kernel.org
> >
> > Matthew Stapleton wrote:
> > >
> > > Can I use linux text utilities to invert the lines of
> > > a text file? Say that the lines of the file are 50.
> > > (1,2, ...50) How can I change the order the of lines
> > > so that line 1 is now line 50?
> >
> > Here's one off the top of my head. I'm sure
> > that somebody can come up with a better one.
> > ---------------------------
> > #!/bin/bash
> > i=`cat $1|wc -l`
> > until [ $i = 0 ]
> > do head -n $i $1|tail -n 1
> > let i=i-1
> > done
> > ---------------------------
> >
> > Cheers,
> > Steven
>
> If I understand the question, the answer is exactly, "tac".
>
> Lawson
> ---oops---
>
>
>
Matthew Stapleton
============================
People demand freedom of speech as a compensation for the freedom of
thought which they seldom use. -SK
============================
-
To unsubscribe from this list: send the line "unsubscribe linux-newbie" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.linux-learn.org/faqs
next reply other threads:[~2002-07-21 3:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-21 3:53 Matthew Stapleton [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-07-21 3:30 inverting a list Matthew Stapleton
2002-07-20 21:54 Matthew Stapleton
2002-07-21 12:31 ` ichi
2002-07-21 3:37 ` lawson_whitney
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=20020720.235318.-315329.13.matthewstapleton@juno.com \
--to=matthewstapleton@juno.com \
--cc=ichi@ihug.co.nz \
--cc=lawson_whitney@juno.com \
--cc=linux-newbie@vger.kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.