Return whether the filesystem supports random write — vsi_supports_rnd_write • gdalraster

vsi_supports_rnd_write() returns whether the filesystem supports random write. Wrapper for VSISupportsRandomWrite() in the GDAL API.

Usage

vsi_supports_rnd_write(filename, allow_local_tmpfile)

Arguments

filename: Character string. The path of the filesystem object to be tested.
allow_local_tmpfile: Logical scalar. TRUE if the filesystem is allowed to use a local temporary file before uploading to the target location.

Value

Logical scalar. TRUE if random write is supported.

Note

The location GDAL uses for temporary files can be forced via the CPL_TMPDIR configuration option.

See also

vsi_supports_seq_write()

Examples

# Requires GDAL >= 3.6
if (as.integer(gdal_version()[2]) >= 3060000)
  vsi_supports_rnd_write("/vsimem/test-mem-file.gpkg", TRUE)