[gdal-dev] Using a "standard" argument parser for command line utilities?

[Even Rouault]

> Some options have related environment variables, eg --debug /CPL_DEBUG.
> Options are also passed through to several drivers.
> I assume that the implications for these are not significant ?
This wouldn't change the general logic of GDAL and so the existing 
(possibly confusing) set of various type of options, configuration 
options/env variables, dataset-creation, layer-creation, etc. would 
remain :-)  Hopefully the change would be mostly unnoticed by users.

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