Re: On prompt in shell mode

[Angelo Graziosi]

Chong Yidong ha scritto:
> Angelo Graziosi <address@hidden> writes:
>
> > The following regards Emacs (trunk) both on Linux and Cygwin.
> >
> > When I do: M-x shell, the prompt has garbage:
> >
> > ^[]0;~/downloads/cygwinports^G
> > address@hidden ^[[33m~/downloads/cygwinports^[[0m
> > $
> >
> > being
> >
> > echo PS1
> > \[\e]0;address@hidden \[\e[33m\]\w\[\e[0m\]\n\$
> >
> > I have found [1], for which 'ansi-color-for-comint-mode-on' should fix
> > the thing. I have also tried defining PS1='PROMPT>' or PS1='address@hidden
> > \w\n$ ' in .emacs_bash, but in all cases there is still garbage after
> > M-x shell.
> >
> > So I would ask if you have a better solutions.
>
> I'm unable to reproduce this; ansi-color-for-comint-mode-on works for me
> with that exact prompt.

Ok. Now I have discovered that the sequence:

\[\e]0;\w\a\]

is the cause even using 'ansi-color-for-comint-mode-on'.

Indeed defining

PS1='address@hidden \[\e[33m\]\w\[\e[0m\]\n\$ '

works just fine with 'ansi-color-for-comint-mode-on'.

For completeness '\[\e]0;\w\a\]' sets the window title.

I have also tried to add (setenv "PS1" "...") in .emacs:

(setenv "PS1" "prompt>")

works, but

(setenv "PS1" "address@hidden \w\n$ ")

causes Emacs to start with errors:

"An error has occurred while loading '[...]/.emacs':
error: Non-hex digit used for Unicode escape"

How could this problem be solved?


Thanks a lot,
   Angelo.