in reply to Arrays of anonymous hashes in a DBM file?
This is an interface to BerkeleyDB (2.x or 3.x) that uses the native API instead of the DB1.85 API used by DB_File.
The reason I think it's relevant is that you can use a "Recno" format database, and tie it to an array. (However, the documenation is unclear on this, and I haven't got the module installed to hand).
Here is an extract from an example in the documentation:
use strict; use BerkeleyDB; my $filename = "text" ; unlink $filename ; my @h ; tie @h, 'BerkeleyDB::Recno', -filename => $filename, -Flags => DB_CREATE, -Property => DB_RENUMBER or die "Cannot open $filename: $!\n" ; # Add a few key/value pairs to the file $h = "orange" ; $h = "blue" ; $h = "yellow" ; push @h, "green", "black" ;
The problem then becomes if you can actually use MLDBM to tie an array instead of a hash, and TBH I don't know.
But I would have thought it would be fairly easy to add such functionality to MLDBM if it isn't there.