Re: psql/readline clears screen

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От Reece Hart
Тема Re: psql/readline clears screen
Дата
Msg-id 1155142298.3808.154.camel@tallac.gene.com
обсуждение исходный текст
Ответ на psql/readline clears screen  ("Merlin Moncure" <mmoncure@gmail.com>)
Ответы Re: psql/readline clears screen
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On Wed, 2006-08-09 at 09:02 -0400, Merlin Moncure wrote:
is there a way to configure psql/readline so that it doesn't clear the
screen after browsing a query with 'q'?

I assume you're using the less text pager on a Unix box. I think what you're seeing is less clearing the screen after displaying a query (i.e., it's not psql or readline).

I like the following invocation: less -iMSx4 -FX (see less manpage for explanation).  This is particularly useful with ' \pset pager always' (in .psqlrc). The upshot is that less will decide whether the contents fit on one screen both horizontally and vertically; if so it'll display and quit without any interaction, and if not it will permit scrolling in one or both directions.

There are two ways you might enable this:
- set and export the LESS environment variable in your shell setup, like this in .bashrc:
export LESS='-iMSx4 -FX'
-  prefix your psql invocation with the LESS environment variable setting, like this:
$ LESS='iMSx4 -FX'   psql <optargs...>


-Reece

-- 
Reece Hart, http://harts.net/reece/, GPG:0x25EC91A0

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