default pager (csh)
Warren Block
wblock at wonkity.com
Sat Feb 21 02:05:46 UTC 2015
On Thu, 19 Feb 2015, Kevin Oberman wrote:
> On Thu, Feb 19, 2015 at 5:10 PM, Warren Block <wblock at wonkity.com> wrote:
> On Thu, 19 Feb 2015, Julian Elischer wrote:
>
> On 2/18/15 3:41 PM, Xin Li wrote:
>
> The _only_ reason that I can think of is that more(1) does not clear
> screen for certain terminals (done with 'ti' and 'te' sequences),
> while less(1) when running as less does.
>
> The less(1) behavior can be annoying to some people (sometimes even
> myself when using less to show contents of a file and ^Z to paste
> them), and unfortunately quite a few of them also happen to be the
> more vocal ones when it comes to a change.
>
>
> I find that behaviour infuriating
>
> I page down to a place to get some text on the screen to use as a reference, then exit to run a command with that information, and *bam* the info I wanted to
> use has gone away.
>
>
> It doesn't do that on csh. Or maybe I figured out how to prevent it long ago and forgot, but all I use is this:
>
> setenv PAGER "less -RS"
>
>
> You probably did what I used to do. Modify the termcaps/terminfo to eliminate this behavior. See Exorcising the Evil Alternate Screen.
>
> In the past, FreeBSD disabled this by default. It was changed several years ago, but you can change it back as per the aboved referenced article.
I'm pretty sure I have not done that, it would show up in mergemaster.
As far as I can remember, less(1) has never done that clear-the-screen
thing on FreeBSD, which is why it is so jarring on Linux.
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