I've got a folder full of dxf files with elevation values included as part of a long text attribute. I've written a regex expression to extract the elevation value, and would like to add it as a new attribute to an output Mapinfo file.
I'd prefer to complete this using command line and ogr if possible, as it's already doing most of the work to convert the files. Python alternatively. QGIS as a last resort.
Could this be completed using a SQL query in the