[U-Boot-Users] Delete all env vars except read onlys

[Jean-Christophe PLAGNIOL-VILLARD]

On 17:40 Fri 15 Feb     , Wolfgang Denk wrote:
> Uff....
> 
> After a longish  discussion  with  Detlev  we  came  up  with  a  new
> proposal,  which  hopefully  is  acceptable  to all. We agreed that a
> command name like "clearenv" or "scrubenv" or similar (which  doesn't
> require  any  arguments) might be too dangerous for the unexperienced
> user why randomly types commands "just  to  see  what  happens".  For
> example,  even  if you type "erase" it will not do any damage because
> arguments are missing - but "erase all" will blow away most  of  your
> flash content without asking.
> 
> So the idea is to call the new command "environment" (or short "env");
> usage would be then:
> 
> 	=> env clear
> 
> to clear the envrionment (except read-only variables); thsi also
> allows for pretty useful additional functionality like this:
> 
> 	=> env default
> 
> to reset the environment to the (compiled in) default settings.
> 
> One might even consider something like
> 
> 	=> env clear all
> 
> to blow away the whole env, including the read-only variables.
> 
> 
> Would that be acceptable to everybody?
> 
> 
Ack-By : Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>

Best Regards,
J.