Dan,
I'm not sure if I've completely understood what you meant but here's a small
python script that tries to reproduce what I've understood from your
scenario :
import gdal
content = """
100,1,0,100,0,-1
"""
gdal.FileFromMemBuffer('/vsimem/test.vrt', content)
ds = gdal.Open('/vsimem/
Frank,
I've noticed some issues when using /vsimem/ to open a VRT dataset (among other
formats). The code usually fails @ GDALClose or FlushCache, when the dataset
tries to perform a VSIMemFile::SetLength, and ultimately a realloc. Many
formats I can only VSIUnlink, and don't try to close the
