[TUHS] basic tools / Universal Unix

Bakul Shah bakul at bitblocks.com
Thu Nov 2 06:16:24 AEST 2017

> On Nov 1, 2017, at 11:06 AM, arnold at skeeve.com wrote:
> Ralph Corderoy <ralph at inputplus.co.uk> wrote:
>> Hi Arnold,
>>>> I've idly considered an ed that also maintained a cursor within the
>>>> line that could be used with vi-like commands.
>>> you want an ed with a cursor, you need only take GNU ed and hook it up
>>> with GNU readline, and there you go.
>> That would allow me to edit the command I'm entering, e.g. `,n'.  What
>> I'm suggesting is the command I'm entering can manipulate the in-line
>> cursor when I press Enter to submit the command.  I don't want
>> interactive editing of lines in the file;  I know where to find that.
>> :-)
> I don't think I understand what you're getting at. It's been decades,
> I think, since I last saw / used open mode, which is what I thought
> you wanted, so I think I'm confused.

I think what Ralph wants is something like "LINES=1 vi"
but without clearing the screen so that commands that
are cursor relative can work. rlwrap and readline don't
edit the current line in the file, only the command input.

More information about the TUHS mailing list