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  1. or download this
    #!/usr/bin/perl -w
    use strict;
    ...
    }
    dbmclose %DB or warn "Couldn't close $db_file: $!\n";
    close OUT_FILE or warn "Couldn't close $out_file: $!\n";
    
  2. or download this
    #!/usr/bin/perl -w
    use strict;
    ...
        $DB{$1} = $2;
    }
    dbmclose %DB or warn "Couldn't close $out_db: $!\n";
    
  3. or download this
    #!/usr/bin/perl -w
    use strict;
    ...
    my $data = Dumper $news_db;
    dbmopen my %NEW_DB, "new.db", 0666 or die "Couldn't open new.db: $!\n"
    +; 
    %NEW_DB = eval(Dumper($data));