Creating a tileindex for 50000 files

[Ludwig Max Brinckmann]

I had thought along that line, but will that not create a new index
shapefile for every invocation?
I thought you would have to create a number of index shapefiles, then
combining their content later.


On 7/14/06, Frank Warmerdam <warmerdam at pobox.com> wrote:
>
> John Preston wrote:
> > I'm trying to use gdaltindex and then shptree to create a tile index
> > for 50000 .tif files but when I try to run gdaltindex I get:
> >
> > gdaltindex data/jamaica/tileindex_res_1.shp res_1/*.tif
> > bash: gdaltindex: Argument list too long
> >
> > I expect that the problem is that the shell is expanding the *.tif
> > into one long string to pass to gdaltindex, and this is too long. How
> > can I get around this.
>
> John,
>
> On Unix/Linux or Cygwin you should be able to do something like:
>
>   find res_1 -name '*.tif' -print | xargs --max-args=50 gdaltindex \
>              data/jamaica/tileindex_res_1.shp
>
> Basically, this is using the find command to collect the list of names
> (instead of wildcards which max out on commandline length limits)
> and piping the list to xargs which will invoke gdaltindex on up to 50
> names at a time.
>
> Good luck,
> --
>
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | President OSGF, http://osgeo.org
>



-- 
Ludwig M Brinckmann
phone: 020 7254 1181
mobile: 07949 460787
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