Re: Essential question [re: Re: "Text is read-only"... except it isn't... or shouldn't be]

[Kevin Rodgers]

On 5/16/13 8:26 AM, ken wrote:
> On 05/16/2013 09:30 AM Kevin Rodgers wrote:
> > On 5/16/13 5:08 AM, ken wrote:
> > > So given this:
> > >
> > > echo This is not an image file. > list.gif; emacs list.gif &
> > >
> > > which mode should emacs invoke?
> >
> > If you agree with the convention that .gif files are GIF images, then
> > image-mode.
> >
> > If you choose to violate that convention, then I suggest:
> >
> > echo -e "-*- mode: Text;-*-\nThis is not an image file." > list.gif;
> > emacs list.gif
>
> $ echo This is not an image file. > list.gif; file list.gif
> list.gif: ASCII text

The first step in getting emacs to emulate the file command is

(setq auto-mode-alist nil)

Then map /etc/magic into magic-mode-alist and interpreter-mode-alist.

--
Kevin Rodgers
Denver, Colorado, USA