202     my @variables =
           qw/User Password Url Prefix CommPlan ApiVersion/;
 203     foreach my $site ( grep { $_->{'enabled'} == 1 }
           @{$json_config} ) {
 204 
 205       use lib '/some/path';
 206       eval "use FOO::$site->{'module'}";
 207 
 208       my %variables =
 209         map { $_ => eval '$' .
               join( '::', 'FOO', $site->{'module'}, $_ ) }
 210         @variables;