use Modern::Perl; return { bug_number => "29897", description => "Display author identifiers for researchers", up => sub { my ($args) = @_; my ($dbh, $out) = @$args{qw(dbh out)}; $dbh->do(q{ INSERT IGNORE INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `type` ) VALUES ('OPACAuthorIdentifiers','0','','Display author identifiers on the OPAC detail page','YesNo') }); say $out "Added new system preference 'OPACAuthorIdentifiers'"; }, };