package DBM_Filter::encode ; use strict; use warnings; use Carp; our $VERSION = '0.01'; BEGIN { eval { require Encode; }; croak "Encode module not found.\n" if $@; } sub Filter { my $encoding_name = shift || "utf8"; my $encoding = Encode::find_encoding($encoding_name) ; croak "Encoding '$encoding_name' is not available" unless $encoding; return { Store => sub { $_ = $encoding->encode($_) if defined $_ ; }, Fetch => sub { $_ = $encoding->decode($_) if defined $_ ; } } ; } 1; __END__ =head1 NAME DBM_Filter::encode - filter for DBM_Filter =head1 SYNOPSIS use SDBM_File; # or DB_File, or GDBM_File, or NDBM_File, or ODBM_File use DBM_Filter ; $db = tie %hash, ... $db->Filter_Push('encode' => 'iso-8859-16'); =head1 DESCRIPTION This DBM filter allows you to choose the character encoding will be store in the DBM file. The usage is $db->Filter_Push('encode' => ENCODING); where "ENCODING" must be a valid encoding name that the Encode module recognises. A fatal error will be thrown if: =over 5 =item 1 The Encode module is not available. =item 2 The encoding requested is not supported by the Encode module. =back =head1 SEE ALSO L, L, L =head1 AUTHOR Paul Marquess pmqs@cpan.org