How to do sparql update with perl?

@muriel.schmidt 

To perform a SPARQL update with Perl, you can use the RDF::Query::Client module from the CPAN repository. Here is an example of how you can use this module to execute a SPARQL update query:

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use RDF::Query::Client;

my $endpoint = 'http://example.org/sparql';  # Replace with your SPARQL endpoint
my $query = 'INSERT DATA { GRAPH <http://example.org/graph> { <http://example.org/resource> <http://example.org/predicate> "value" . } }';

my $client = RDF::Query::Client->new($endpoint);
my $response = $client->update($query);

if ($response->is_success) {
    print "SPARQL update successful
";
} else {
    print "Error executing SPARQL update: " . $response->status_line . "
";
}

In this example, the SPARQL endpoint and update query are defined. The RDF::Query::Client module is then used to create a new client object, execute the update query, and check if the update was successful.

Make sure to install the RDF::Query::Client module by running cpan RDF::Query::Client on your command line before running the above code.