r.support [was: Re: [GRASS-dev] Re: 7.x Status Update (Glynn Clements)]

[Moritz Lennert]

On 07/08/08 23:33, Glynn Clements wrote:
> Markus Neteler wrote:
> 
>>>>> **r.support - Need some way to access raster metadata.
>>>> Of the four sub-modules:
>>>>
>>>>        modhead -> r.region
>>>>        modcats -> r.category
>>>>        modcolr -> r.colors
>>>>        modhist -> ???
>>>>
>>>> The functionality built into the front-end module is mostly
>>>> non-interactive, and can be cannibalised.
>>>>
>>>> So that just leaves editing the history. The obvious non-interactive
>>>> solution is a module (or two) which allows the history to be read from
>>>> or written to a text file.
>>>>
>>> r.support already allows non-interactive editing of most of the meta-data,
>>> including history (r.support map history="xyz"), so wouldn't it be enought
>>> to "just" disable the interactive functionality ?
>> modhist -> metadata
>>
>> It's fundamental to maintain at a minimal level (this needs to be improved)
>> metadata of maps. Don't remove, please (the cmd line version).
> 
> I have salvaged the non-interactive portions of r.support.
> 
> It has three new flags to replace certain interactive yes/no prompts:
> 
>   -s   Update statistics (histogram, range)
>   -n   Create/reset the null file
>   -d   Delete the null file
> 
> I'll look into importing/exporting the history next.

BTW, should history and metadeta really be one and the same ? Shouldn't 
they be separate ? Maybe extend the "description" to multi-line for 
general descriptive meta-data and leave history for command history ?

And r.info should not call the history "comments", but "history".

Just a thought...

Moritz