Re: EShell Alias for a 'cd' followed by 'ls'

[Christopher Dimech <dimech@gmx.com>]

> Sent: Thursday, November 19, 2020 at 9:52 AM
> From: "Dan Hitt" <dan.hitt@gmail.com>
> To: "Christopher Dimech" <dimech@gmx.com>
> Cc: "Help Gnu Emacs" <help-gnu-emacs@gnu.org>, "Stefan Kangas" <stefan@marxist.se>, "Jean Louis" <bugs@gnu.support>
> Subject: Re: EShell Alias for a 'cd' followed by 'ls'
>
> On Wed, Nov 18, 2020 at 11:10 PM Christopher Dimech <dimech@gmx.com> wrote:
>
> > The only caveat is that the aliases will go into an
> > official release and cannot require users to type them.
> >
> > Have done some elisp functions for that.
> >
> > ---------------------
> > Christopher Dimech
> > General Administrator - Naiad Informatics - GNU Project (Geocomputation)
> > - Geophysical Simulation
> > - Geological Subsurface Mapping
> > - Disaster Preparedness and Mitigation
> > - Natural Resource Exploration and Production
> > - Free Software Advocacy
> >
> >
> > > Sent: Thursday, November 19, 2020 at 7:39 AM
> > > From: "Jean Louis" <bugs@gnu.support>
> > > To: "Dan Hitt" <dan.hitt@gmail.com>
> > > Cc: "Christopher Dimech" <dimech@gmx.com>, "Help Gnu Emacs" <
> > help-gnu-emacs@gnu.org>, "Stefan Kangas" <stefan@marxist.se>
> > > Subject: Re: EShell Alias for a 'cd' followed by 'ls'
> > >
> > > * Dan Hitt <dan.hitt@gmail.com> [2020-11-19 09:04]:
> > > > Well, what is your init file?
> > > >
> > > > If your init file is in ~/.emacs.d/init.el, it looks like the act of
> > typing
> > > >     alias cl 'cd $* ; ls'
> > > > to the eshell prompt will write the filesystem itself, and create or
> > modify
> > > > the file ~/.emacs.d/eshell/alias
> > > >
> > > > So that might be bad or that might be good, but it's a permanent change
> > > > (unless you edit the alias file): you need only type the characters
> > once
> > > > and then forever after the alias is available (unless you explicitly
> > erase
> > > > it).
> > >
> > > It is possible to undefine alias by duing
> > >
> > > $ alias ALIAS
> > >
> > > and alias will be not be there any more.
> > >
> >
>
> Thanks Jean Louis for the undo info.
>
> Christopher --- would it suit your release process to have a standardized,
> prepopulated ~/.emacs.d/eshell/alias file for your users?
>
> I have checked that one does not need to actually define an alias through
> eshell.  It suffices to modify the alias file.  (Although, to figure out
> what to put into the master alias file, you may have to do experiments with
> eshell.)

I can do like that.  There is some variable that sets the path and name of
the file.

> dan
>