# Koha modules used
use Koha::Script;
use C4::Context;
-use C4::Biblio;
use C4::AuthoritiesMarc;
-use Time::HiRes qw(gettimeofday);
+use Time::HiRes qw( gettimeofday );
-use Getopt::Long;
+use Getopt::Long qw( GetOptions );
my ( $fields, $number,$language) = ('',0);
my ($version, $verbose, $test_parameter, $delete);
GetOptions(