BASH : history-search-backward

[Mike Hogsett]

Ok.  I have narrowed this down. 

If $LANG is set to something other than C (e.g. en_US) in the
environment then I get the wrong behavior.

Why?

 - Mike

From: Mike Hogsett <michael.hogsett at sri.com>
Subject: BASH : history-search-backward
Date: Thu, 06 May 2004 10:57:27 -0700 (PDT)

> 
> I have a problem with history-search-backward & history-search-forward
> behaving differently on two machines.
> 
> The first machine is running Redhat Gnu/Linux version 7.3 with bash
> version 2.05a
> 
> Here is the autogenerated info from bashbug:
> 
> Configuration Information [Automatically generated, do not change]:
> Machine: i686
> OS: linux-gnu
> Compiler: gcc
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' -DCONF_OSTYPE='linux-gnu' -DCON\
> F_MACHTYPE='i686-pc-linux-gnu' -DCONF_VENDOR='pc' -DSHELL -DHAVE_CONFIG_H  -D_GNU_SOURCE  -I\
> .  -I. -I./include -I./lib -O2 -march=i386 -mcpu=i686
> uname output: Linux plato.csl.sri.com 2.4.20-20.7smp #1 SMP Mon Aug 18 14:46:14 EDT 2003 i68\
> 6 unknown
> Machine Type: i686-pc-linux-gnu
> 
> Bash Version: 2.05a
> Patch Level: 0
> Release Status: release
> 
> 
> The second machine is running Redhat Fedora Core 1 with bash version
> 2.05b.
> 
> Here is the autogenerated info from bashbug:
> 
> Configuration Information [Automatically generated, do not change]:
> Machine: i386
> OS: linux-gnu
> Compiler: i386-redhat-linux-gcc
> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-redhat-linux-gnu' -DCONF_VENDOR='redhat' -DSHELL -DHAVE_CONFIG_H  -I.  -I. -I./include -I./lib -D_FILE_OFFSET_BITS=64 -O2 -g -pipe -march=i386 -mcpu=i686
> uname output: Linux beast.csl.sri.com 2.4.22-1.2188.nptlsmp #1 SMP Wed Apr 21 20:12:56 EDT 2004 i686 i686 i386 GNU/Linux
> Machine Type: i386-redhat-linux-gnu
> 
> Bash Version: 2.05b
> Patch Level: 0
> Release Status: release
> 
> On both machines my .inputrc contains : 
> 
> set meta-flag on
> set input-meta on
> set output-meta on
> set show-all-if-ambiguous on
> set visible-stats on
> Meta-p: history-search-backward
> Meta-n: history-search-forward
> 
> 
> On the machine running bash2.05a when I enter a partial line then
> press meta-p I get the bahavior I expect, it searches the history for
> the first matching line based on what has been type so far on the
> command line.
> 
> bash# ca
> 
> <meta-p pressed>
> 
> bash# cat /tmp/foo
> 
> 
> 
> 
> On the second machine running bash2.05b when I enter a partial line
> then press meta-p bash ignores what has been typed so far, removes
> everything typed on the line and presents me with a colon.
> 
> bash# ca
> 
> <meta-p pressed>
> 
> bash# :
> 
> Why am I getting two different behaviors?  Also the strangest thing is
> that if I copy the /bin/bash binary from the machine with the correct
> behavour onto the machine with the incorrect behavior it also does not
> behave correctly.  What is going on?
> 
> Thanks,
> 
>  - Mike Hogsett

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