I have to following situation:
I got some tracks as a LINESTRING (well-known text) and I need each of them in a separate gpx-file. All of them are stored in a csv file.
Do you have some ideas to get there? I didn't find any scripts or something else to convert from LINESTRING to gpx.
You could try ogr2ogr, which supports both CSV and GPX drivers. With your source CSV files, make sure the heading line for the geometry data is named "WKT".