[gdal-dev] overwrite shapefile

[Ramiro Gonzalez]

The ticket number is 4095.

Thanks
Ramiro


2011/5/24 Chaitanya kumar CH <chaitanya.ch at gmail.com>

> Ramiro,
>
> You can use the OGRLayer::TestCapability() method to check write capability
> of a layer. However, there are going to be errors if another process
> accesses the files in the mean while.
>
> When ogr2ogr is executed with -append, -overwrite or --update options, it
> should error out with the message "Unable to open existing output
> datasource" if a file cannot be opened to write. Can you raise a new ticket
> [1] describing this problem?
>
> [1]: http://trac.osgeo.org/gdal/newticket
>
> On Wed, May 25, 2011 at 12:20 AM, Ramiro Gonzalez <
> ramirogonzalez at suremptec.com.ar> wrote:
>
>> hello
>>
>> I want to overwrite a shapefile using ogr(c++). If the dbf file in the
>> destination shapefile is already open by anather program(exel), the
>> operation fails in the middle and only the shp and shx files are updated.
>> How could I check, using OGR, if the dbf(or any other file in the
>> shapefile) is blocked before I overwrite it?
>>
>> I tested this with "ogr2ogr -overwrite destination source.shp" and the
>> same thing happens
>>
>> Thanks,
>> Ramiro
>> _______________________________________________
>> gdal-dev mailing list
>> gdal-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>
>
>
>
> --
> Best regards,
> Chaitanya kumar CH.
> /tʃaɪθənjə/ /kʊmɑr/
> +91-9494447584
> 17.2416N 80.1426E
>
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