Operation of more command
Michael D. Setzer II
mikes at kuentos.guam.net
Sun Apr 27 13:21:58 UTC 2008
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On 27 Apr 2008 at 15:12, Denys Vlasenko wrote:
From: Denys Vlasenko <vda.linux at googlemail.com>
To: busybox at busybox.net
Subject: Re: Operation of more command
Date sent: Sun, 27 Apr 2008 15:12:53 +0200
Copies to: "Michael D. Setzer II" <mikes at kuentos.guam.net>
> On Sunday 27 April 2008 12:25, Michael D. Setzer II wrote:
> > I'm the current developer of g4l, and it has used busybox before I took over,
> > and has been excellent. I have just noticed one issue involving the more
> > command. The g4l project is a bootcd for disk imaging, and doesn't make a
> > lot of use of the more command, but there are times when checking things
> > would make more a nice option, but both the busybox and even the one
> > from Fedora 8 seem to work just like cat.
>
> Please describe how are you using "more". What is the exact command?
>
> > In looking at the code of the
> > more.c, it appear it acts like cat under some situations.
>
> It does it on purpose:
>
> /* Another popular pager, most, detects when stdout
> * is not a tty and turns into cat. This makes sense. */
> if (!isatty(STDOUT_FILENO))
> return bb_cat(argv);
>
> This is needed to make e.g. "man <cmd> | sed ... >file"
> work (man internally starts more, or another $PAGER).
>
cat scriptfile | more
dmesg | more
Using the same thing within a Fedora machine works fine with the more
lines.
With the morex program, it shows the 20 lines pauses and then continues.
> --
> vda
+----------------------------------------------------------+
Michael D. Setzer II - Computer Science Instructor
Guam Community College Computer Center
mailto:mikes at kuentos.guam.net
mailto:msetzerii at gmail.com
http://www.guam.net/home/mikes
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