[gdal-dev] ogr2ogr - output WKT to console?

Even Rouault even.rouault at mines-paris.org
Wed Aug 31 16:52:21 EDT 2011

Le mercredi 31 août 2011 22:44:55, Elijah Robison a écrit :
> Hi Devs,
> When troubleshooting geodata integrity issues, we sometimes use ogr2ogr
> to push WKT expressions to a .csv file using a script like I show below.
> It uses an ogr sql statement to grab a single feature from a raw
> shapefile data source, then it saves the output to a CSV:
> ogr2ogr -f "CSV" "C:\xData\CountyData\Shps\OriginalParcelCSV"
> "C:\xData\CountyData\Shps\parcel_polygons.shp" -sql "select * from
> parcel_polygons where id= 9080" -lco "GEOMETRY=AS_WKT" -lco
> As our needs in this situation are very transient, I'm curious if it is
> possible to output the WKT directly to the console?

Yes, as a output filename, you can use the special name /vsistdout/ (you need 
the trailing slash) . You likely need GDAL 1.8 or later for it to work.

> Very Best,
> Elijah Robison
> elijah at villagis.com
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