[TUHS] basic tools / Universal Unix

Ralph Corderoy ralph at inputplus.co.uk
Thu Nov 2 03:17:00 AEST 2017

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.

> If GNU ed doesn't already have such support.

ed 1.14.2-1 here hasn't.  And I wouldn't expect its dependencies to

    $ ldd /bin/ed
            linux-vdso.so.1 (0x00007fff215d4000)
            libc.so.6 => /usr/lib/libc.so.6 (0x00007fd89767a000)
            /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 (0x00007fd897a31000)

Cheers, Ralph.

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