Re: readline does not always redraw line very well

[Chet Ramey]

Jan Engelhardt wrote:

> Bash Version: 3.2
> Patch Level: 25
> Release Status: release
>
> Description:/Repeat-By:
> Having a prompt with color definitions makes readline reposition
> the cursor wrong on many occassions. Here is one of them.
>
> export PS1="\[\e[1;30m\]\A \[\e[0;32m\]\h:\w \[\e[1;37m\]>\[\e[0m\] ";
>
> (type the following verbatim)
> echo word1 word2 word3 word4 word5 word6
> (now hit keys Alt-4 Alt-b to move the cursor 4 words to the left)
>
> The cursor will be repositioned to a column inside the prompt area
> instead of the designated position. I suppose this is due to
> readline using (or bash passing in) strlen(PS1) instead of
> strlen(stripescapecodes(PS1)).

I can't reproduce this using bash-3.2.39 on Mac OS X with Terminal, aterm,
or xterm.

Chet

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

Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/