1package Memoize::AnyDBM_File;
2
3=head1 NAME
4
5Memoize::AnyDBM_File - glue to provide EXISTS for AnyDBM_File for Storable use
6
7=head1 DESCRIPTION
8
9See L<Memoize>.
10
11=cut
12
13use vars qw(@ISA $VERSION);
14$VERSION = 0.65;
15@ISA = qw(DB_File GDBM_File Memoize::NDBM_File Memoize::SDBM_File ODBM_File) unless @ISA;
16
17my $verbose = 1;
18
19my $mod;
20for $mod (@ISA) {
21#  (my $truemod = $mod) =~ s/^Memoize:://;
22#  my $file = "$mod.pm";
23#  $file =~ s{::}{/}g;
24  if (eval "require $mod") {
25    print STDERR "AnyDBM_File => Selected $mod.\n" if $Verbose;
26    @ISA = ($mod);	# if we leave @ISA alone, warnings abound
27    return 1;
28  }
29}
30
31die "No DBM package was successfully found or installed";
32