perl -wle' use Storable; use Data::Dumper; $Storable::interwork_56_64bit = 1; my $h = retrieve "file.dat"; print Dumper $h ' Name "Storable::interwork_56_64bit" used only once: possible typo at -e line 2. Byte order is not compatible at ../../lib/Storable.pm (autosplit into ../../lib/auto/Storable/_retrieve.al) line 328, at -e line 3