Dear Marek,
In message <20211021152831.15524883@thinkpad> you wrote:
>
>
> > I think =+ will confuse far more people than + as last character of var
I still fail to see why '=+' could be confusing if properly
documented to be the append operator.
I mean, it is not a new invention of mine.
OpenEmbedded / Yocto uses '=+' a lot, like in
meta/recipes-kernel/dtc/dtc.inc:
PACKAGES =+ "${PN}-misc"
Actually they use both '+=' and '=+', like
RESULT+=${ERRORS}
> > 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+"
Yes, this is yet another alternative for handling this problem.
> 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".
Why not...
In the end it boils down that the file format should be properly
defined and have a clear syntax description. Apparently the
"<name>=<value>\0" format as used in U-Boot persistent storage
should not be taken literally here.
Best regards,
Wolfgang Denk
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