Re: Scope of local parameters

[Peter Stephenson <pws@csr.com>]

Borzenkov Andrey wrote:
> Actually I am not sure why I assumed source supports local parameters
> in any form.

You're right not to be sure, it doesn't.

> Hmm ... making typeset create local parameters in sourced script by default
> will definitely break a lot of existing scripts.

Correct.

> Probably extra argument to
> typeset or (better) extra options to treat typesets in script as local.

Certainly possible, but will need some extra wiring.  I should think
thre's some possible fudge involving locallevel, scanendscope and a new
parameter flag, rather than adding a completely new mechanism.  I think
options could be a bit tricky, given that we're talking about having the
mechanism apply exactly around the point at which most people set their
options.  You need to set up the local parameter scope immediately on
entry to .zshrc.

Followups to this should go to zsh-workers.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


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