Thanks for all the suggestions.

Slackware does not use ftp, only lftp. But, CentOS has both. The ftp client
there acted properly.

For my purposes, I'll just use lftp in a terminal & forgo dired.

Guido




On Thu, May 9, 2019 at 8:00 AM Michael Albinus <michael.albinus@gmx.de>
wrote:

> _RDS_ <rds1944@gmail.com> writes:
>
> > I am attempting to use ange-ftp in emacs 26.2 with lftp 4.8.4.
> >
> > lftp as a standalone client is fine. Inside an emacs terminal it is
> > operational, too.
> >
> > However, upon executing
> >
> >     emacs /ftp:anonymous@slackware.cs.utah.edu:/slackware/
> >
> > from a console or xterm or invoking C-x C-f ...,
> >
> > the emacs messages buffer displays
> >
> > "Loading ange-ftp...done
> > For information about GNU Emacs and the GNU system, type C-h C-a.
> > Opening FTP connection to slackware.cs.utah.edu...
> > tramp-file-name-handler: FTP Error: OPEN request failed: LFTP |
> > Version 4.8.4 | Copyright (c) 1996-2017 Alexander V. Lukyanov"
> >
> > Here's the relevant entries in some key files
> >
> > init.el
> >   (load "ange-ftp") ;;redundant?
> >   (require 'ange-ftp)
> >   (setq ange-ftp-default-user "anonymous")
> >   (setq ange-ftp-generate-anonymous-password t)
> >   (setq ange-ftp-ftp-program-name "lftp")
> >   (setq ange-ftp-ftp-program-args '("-v"))
>
> AS Yuri said, "-v" is not an lftp option. So I would set
> ange-ftp-ftp-program-args to '() (or nil).
>
> And there are more variables to adapt. For example, comint-prompt-regexp
> in the internal ange-ftp buffer has the value "^ftp> ", which doesn't
> fit to lftp. This is hard-coded in function internal-ange-ftp-mode.
>
> Finally, you'll need to debug ange-ftp in order to let it run with lftp.
>
> > Thank you.
> >
> > Guido
>
> Best regards, Michael.
>