Re: allow zsh to source a script and then become interactive

[Christian Neukirchen <chneukirchen@gmail.com>]

Anthony Fletcher <anthony@bifb.org> writes:

> This is an oldie but goodie that I don't have a solution to. How can I
> invoke a zsh that sources a particular file (not the standard start up
> files) and then become interactive, preserving functions, etc?
>
> This is akin to the ksh invocation:
>
>  ENV=startup ksh
>
> or bash's
>
>  bash --rcfile startup
>
> One solution was covered in 2005 by Bart: see
> http://www.zsh.org/mla/users/2005/msg00600.html However this only works
> if you can change the .zshrc file.
>
> Another alternative is to create a custom .zshrc in a temporary
> directory and set the environment variable ZDOTDIR. But this is a little
> clunky.
>
> I look after an increasing disparate collection of systems and I'd
> like to launch a customised zsh on a remote system without changing
> anything ahead of time.

An interesting alternative could be to start an interactive zsh from
anywhere, e.g. rc(1) has `. -i /dev/tty`... I'm not sure how many
changes this would require to zsh architecture.

-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org