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Bash =~ regex doesn't work in 3.2.25 as in 3.1.17


From: Terry Raitt
Subject: Bash =~ regex doesn't work in 3.2.25 as in 3.1.17
Date: Tue, 20 Nov 2007 23:40:29 -0600 (CST)

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: freebsd5.3
Compiler: cc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' 
-DCONF_OSTYPE='freebsd5.3' -DCONF_MACHTYPE='i386-portbld-freebsd5.3' 
-DCONF_VENDOR='portbld' -DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' 
-DSHELL  -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib  -I/usr/local/include 
-O -pipe
uname output: FreeBSD zeus.layeredtech.com 5.3-RELEASE FreeBSD 5.3-RELEASE #0: 
Fri Nov  5 04:19:18 UTC 2004     address@hidden:/usr/obj/usr/src/sys/GENERIC  
i386
Machine Type: i386-portbld-freebsd5.3

Bash Version: 3.2
Patch Level: 25
Release Status: release

Description:
        Bash =~ regex does not work as it did in bash 3.1.17

Repeat-By:
# cat test.bashregex.sh 
#!/usr/local/bin/bash 

bash --version 
echo ; 


if [[ "$*" =~ ".*" ]]; 
then 
        echo "The =~ regex works!"; 
else 
        echo "The =~ regex fails!"; 
fi 


# cp -p /usr/local/bin/bash3.1.17 /usr/local/bin/bash 
# ./test.bashregex.sh hello 
GNU bash, version 3.1.17(0)-release (i386-portbld-freebsd6.2) 
Copyright (C) 2005 Free Software Foundation, Inc. 


The =~ regex works! 


# cp -p /usr/local/bin/bash3.2.25 /usr/local/bin/bash 
# ./test.bashregex.sh hello 
GNU bash, version 3.2.25(0)-release (i386-portbld-freebsd5.3) 
Copyright (C) 2005 Free Software Foundation, Inc. 


The =~ regex fails! 


        [Describe the sequence of events that causes the problem
        to occur.]

Fix:
        [Description of how to fix the problem.  If you don't know a
        fix for the problem, don't include this section.]




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