[PATCH v9 3/7] env: Allow U-Boot scripts to be placed in a .env file

[Marek Behún]

On Thu, 21 Oct 2021 15:25:37 +0200
Marek Behún <marek.behun at nic.cz> wrote:

> Hello,
> 
> On Thu, 21 Oct 2021 15:06:51 +0200
> Wolfgang Denk <wd at denx.de> wrote:
> 
> > I confirm that '+=' looks better.  But '+=" is technically broken.  
> 
> a bit of my opinion:
> I think =+ will confuse far more people than + as last character of var
> name working weirdly. But I also think that + should be supported as
> last character. Therefore I propose backslash escaping in variable name,
> i.e.
>   var+=value
> appends value to var, while
>   var\+=value
> sets variable with name "var+"
> 
> Marek

Also, I think that it would be better if spaces and tabs were allowed
to indent the .env file, i.e.

	var_a	=	3
	var_bcd	=	7

should set "var_a" to "3", "var_bcd" to "7".

If special character are needed in either name or value, they could be
escaped and/or quoted.

Marek