vsi_get_actual_url: Returns the actual URL of a supplied VSI filename

In gdalraster: Bindings to 'GDAL'

Returns the actual URL of a supplied VSI filename

Description

vsi_get_actual_url() returns the actual URL of a supplied filename. Currently only returns a non-NULL value for network-based virtual file systems. For example "/vsis3/bucket/filename" will be expanded as "https://bucket.s3.amazon.com/filename". Wrapper for VSIGetActualURL() in the GDAL API.

Usage

vsi_get_actual_url(filename)

Arguments

filename

Character string containing a /vsiPREFIX/ filename.

Value

Character string containing the actual URL, or NULL if filename is not a network-based virtual file system.

See Also

vsi_get_signed_url()

Examples

## Not run: 
f <- "/vsiaz/items/io-lulc-9-class.parquet"
set_config_option("AZURE_STORAGE_ACCOUNT", "pcstacitems")
# token obtained from:
# https://planetarycomputer.microsoft.com/api/sas/v1/token/pcstacitems/items
set_config_option("AZURE_STORAGE_SAS_TOKEN","<token>")
vsi_get_actual_url(f)
#> [1] "https://pcstacitems.blob.core.windows.net/items/io-lulc-9-class.parquet"
vsi_get_signed_url(f)
#> [1] "https://pcstacitems.blob.core.windows.net/items/io-lulc-9-class.parquet?<token>"

## End(Not run)

gdalraster documentation built on June 8, 2025, 12:37 p.m.