my $shelfcode = $item->{'location'};
$item->{'location'} = $shelflocations->{$shelfcode} if ( defined( $shelfcode ) && defined($shelflocations) && exists( $shelflocations->{$shelfcode} ) );
my $ccode = $item->{'ccode'};
$item->{'ccode'} = $collections->{$ccode} if ( defined( $ccode ) && defined($collections) && exists( $collections->{$ccode} ) );
my $shelfcode = $item->{'location'};
$item->{'location'} = $shelflocations->{$shelfcode} if ( defined( $shelfcode ) && defined($shelflocations) && exists( $shelflocations->{$shelfcode} ) );
my $ccode = $item->{'ccode'};
$item->{'ccode'} = $collections->{$ccode} if ( defined( $ccode ) && defined($collections) && exists( $collections->{$ccode} ) );