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\W and \w doesn't substitute $HOME for ~ properly

From: carl
Subject: \W and \w doesn't substitute $HOME for ~ properly
Date: 30 Sep 2006 14:23:56 -0000

Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: x86_64-pc-linux-gnu-gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
-DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib   -march=k8 -O2 -pipe
uname output: Linux chicago 2.6.17-gentoo-r8 #1 PREEMPT Fri Sep 15 12:15:25 
CEST 2006 x86_64 AMD Turion(tm) 64 Mobile Technology ML-30 GNU/Linux
Machine Type: x86_64-pc-linux-gnu

Bash Version: 3.1
Patch Level: 17
Release Status: release

        If a user has it's home directory specified with a trailing
        slash, such as /home/johndoe/, instead of /home/johndoe, in
        /etc/passwd, prompting doesn't work properly.

        If PS1, and perhaps other prompts, has the \w or the \W
        which should be substituted with a tilde while the user is
        in his/her home directory, it isn't. Instead it shows
        "johndoe" or equivalent.

        export PS1='\[\033[01;35m\] \W \[\033[0;35m\]\$ \[\033[00m\]'
        and set your home directory to whatever it already is, but
        with a trailing slash.

        Since there is no definite practice to wether a directory
        should be specified with or without trailing slash when
        the directory itself is to be specified, best practice should
        be to interpret both as the directory.

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