GNU bug report logs - #21147
readline history is stifled early so (readline-set! history-length nn) has no effect

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Andy Wingo <wingo <at> pobox.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#21147: closed (readline history is stifled early so
 (readline-set! history-length nn) has no effect)
Date: Fri, 24 Jun 2016 08:24:02 +0000

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Your message dated Fri, 24 Jun 2016 10:23:36 +0200
with message-id <87vb0zgflj.fsf <at> pobox.com>
and subject line Re: bug#21147: readline history is stifled early so (readline-set! history-length nn) has no effect
has caused the debbugs.gnu.org bug report #21147,
regarding readline history is stifled early so (readline-set! history-length nn) has no effect
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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21147: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21147
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From: Daniel Llorens <daniel.llorens <at> bluewin.ch>
To: bug-guile <at> gnu.org
Subject: readline history is stifled early so (readline-set! history-length
 nn) has no effect
Date: Tue, 28 Jul 2015 10:06:06 +0200

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The default history-length is 200. When one imports (ice-9 readline), history is stifled to this value, so it doesn't matter if you set history-length to a larger value later on. I'm surprised that this has gone unnoticed up to now, since 200 is really small. I may be missing something...

The patch changes scm_readline_options() so that history is only stiffled when the options are actually set. This is rather clumsy since it means that if one doesn't set the options, history will never be stifled.

An alternative would be to add an optional readline-options argument to activate-readline. That way one would be able to increase history-length before the first time history is stifled, and otherwise things would work as they do now.

Regards
	
	Daniel

[0001-Avoid-stifling-readline-history-when-looking-up-opti.patch (application/octet-stream, attachment)]

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From: Andy Wingo <wingo <at> pobox.com>
To: 21147-done <at> debbugs.gnu.org
Subject: Re: bug#21147: readline history is stifled early so (readline-set!
 history-length nn) has no effect
Date: Fri, 24 Jun 2016 10:23:36 +0200

thanks

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