ld_dir_all — Loads from the specified directory, including any and all subdirectories.
|in dir_path varchar ,
|in file_mask varchar ,
|in target_graph varchar
Adds files from the specified directory, including any and all subdirectories, to control list set up in the virtuoso.ini file.
path to the folder where the files will be loaded
SQL like pattern to match against the files in the directory
target graph IRI, parsed triples will appear in that graph.
The return value is not specified and may be changed in future versions.
ld_dir_all ('/data8/', '%.gz', 'http://bsbm.org');
would load the RDF in all files ending in .gz from the directory ( and its children ) given as first parameter. The RDF would be loaded in the http://bsbm.org graph.
If NULL is given for the graph, each file may go to a different graph specified in a separate file with the name of the RDF source file plus the extension .graph.
A .graph file contains the target graph URI without any other content or whitespace.