Re: Matching regular expression with Ctrl-A in the middle

[Shawn Bohrer]

On Thu, May 5, 2011 at 3:47 PM, Chet Ramey <chet.ramey@case.edu> wrote:
> On 5/4/11 11:23 AM, Shawn Bohrer wrote:
>> Configuration Information [Automatically generated, do not change]:
>> Machine: x86_64
>> OS: linux-gnu
>> Compiler: gcc
>> Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' 
>> -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-redhat-linux-gnu' 
>> -DCONF_VENDOR='redhat' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' 
>> -DSHELL -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib  -D_GNU_SOURCE 
>> -DRECYCLES_PIDS  -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions 
>> -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic
>> uname output: Linux dev1 2.6.35.6-45.fc14.x86_64 #1 SMP Mon Oct 18 23:57:44 
>> UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
>> Machine Type: x86_64-redhat-linux-gnu
>>
>> Bash Version: 4.1
>> Patch Level: 7
>> Release Status: release
>>
>> Description:
>>
>> I have a regular expression with a Ctrl-A character in the middle and I
>> can no longer get it to match with bash 4.1.7.  However I can get
>> regular expressions to match as long as the Ctrl-A is at the beginning
>> or end of the regular expression so I suspect this is a bug.
>
> Try the attached patch.  It's against bash-4.2, but the bash-4.1 code is
> substantially similar.

Thanks Chet!  I verified that your patch resolves the issue for me on
both bash 4.1 and 4.2.

--
Shawn


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