Re: \w in PS1 hopelessly confuses bash in workdir ending in \

[Chet Ramey]

> Machine Type: i486-pc-linux-gnu
> 
> Bash Version: 3.2
> Patch Level: 39
> Release Status: release
> 
> Description:
> 
> \w in PS1 prompt string confuses bash when ending in \
> 
>       The standard prompt setting in ubuntu is
> PS1="${debian_chroot:+($debian_chroot)}\u@\h:\w\$"
> 
> which seems harmless enough.  However, if you do
> 
> mkdir /tmp/chaos\\ ; cd /tmp/chaos\\
> 
> the prompt display hopelessly confuses bash.  At first it displays
> nothing at all, then with repeated entries of RET fragments of color
> ANSI sequences appear, like
> 
> dak@lisa:/tmp/xxx$ mkdir /tmp/chaos\\ ; cd /tmp/chaos\\
> ]0;dak@lisa: /tmp/chaos\007dak@lisa:/tmp/chaos\$ 
> ]0;dak@lisa: /tmp/chaos\007dak@lisa:/tmp/chaos\$ 

Since bash doesn't output any of that by default, I suspect you have something
in PROMPT_COMMAND that tries to write to an xterm title bar and is confused by
the escape at the end of the prompt string.

Chet

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer

Chet Ramey, ITS, CWRU    chet@case.edu    http://tiswww.tis.case.edu/~chet/