Re: How to show path with backslash '\' in it in the prompt?

[Roman Rakus]

On 07/11/2010 05:07 AM, Chet Ramey wrote:
> On 7/10/10 11:00 PM, Peng Yu wrote:
>    
> > On Sat, Jul 10, 2010 at 9:52 PM, Chet Ramey<address@hidden>  wrote:
> >      
> > > On 7/10/10 9:57 PM, Peng Yu wrote:
> > >        
> > > > Hi,
> > > >
> > > > I have a directory named '\E' (two letters, rather than a single
> > > > special character). I have the following $PS1 variable.
> > > >
> > > > $ echo $PS1
> > > > ${debian_chroot:+($debian_chroot)address@hidden:\w\$
> > > >
> > > > When my current directory is '\E', the prompt shows a special
> > > > character (I think that it should be the special character '\E'). I'm
> > > > wondering if there is a way to change $PS1 to show two characters '\'
> > > > and 'E'.
> > > >          
> > > I don't get this behavior with bash-4.1.  It may be PROMPT_COMMAND
> > > that is messing up your display.
> > >        
> > No. I don't think that it is because of PROMPT_COMMAND. I set
> > PROMPT_COMMAND to the following command. But the prompt doens't
> > change. It only print an additional line whenever I run a command.
> >
> > export PROMPT_COMMAND=echo
> >      
> OK.  I still can't reproduce it with bash-4.1.
>
>    
I can reproduce it.
address@hidden tmp]$ mkdir '\E'
address@hidden tmp]$ cd \\E/
]0;address@hidden:~/tmp/address@hidden \E]$
]0;address@hidden:~/tmp/address@hidden \E]$ set -x
++ echo -ne '\033]0;address@hidden:~/tmp/\E'
address@hidden \E]$
]0;address@hidden:~/tmp/address@hidden \E]$ echo $BASH_VERSION
4.1.7(1)-release

Tried with gnome-terminal (gnome-terminal-2.30.1-1.fc13.x86_64) - 
reproducable
with xterm (xterm-261-2.fc13.x86_64) - not reproducable

echo $PS1
address@hidden \W]\$
echo $PROMPT_COMMAND
echo -ne "\033]0;address@hidden:${PWD/#$HOME/~}"; echo -ne "\007"

RR