Re: ctrl-w oddity on bash-4.4

[Chet Ramey]

On 10/26/17 12:21 AM, Robert Elz wrote:
>     Date:        Wed, 25 Oct 2017 10:45:11 -0400
>     From:        Chet Ramey <chet.ramey@case.edu>
>     Message-ID:  <6751ad10-cccb-0467-a751-c5be8e7451cf@case.edu>
> 
>   | If you read the discussion in the thread I pointed to last night, `real'
>   | vi supposedly does this kind of thing. I'm not enough of a vi user to
>   | say one way or the other.
> 
> In real vi, ^W (word kill) only works at all on text you have currently
> typed in insert mode, there is no concept of moving somewhere, entering
> insert mode, and then using ^W to delete backwards, that would be a
> totally foreign concept to a vi user.

OK. Posix doesn't make that distinction. If you're in insert mode, ^W
deletes a `word'. I assume it's more trying to emulate the behavior of
the tty driver than `real' vi. However, the word boundary characters are
(again, I assume) more like `real' vi than the ones the tty driver uses.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/