# File lib/bio/io/flatfile/bdb.rb, line 37
37:       def flag_append
38:         'r+'
39:       end

    # File lib/bio/io/flatfile/bdb.rb, line 27
27:       def flag_read
28:         BDB::RDONLY
29:       end

    # File lib/bio/io/flatfile/bdb.rb, line 32
32:       def flag_write
33:         (BDB::CREATE | BDB::TRUNCATE)
34:       end

    # File lib/bio/io/flatfile/bdb.rb, line 22
22:       def permission
23:         (0666 & (0777 ^ File.umask))
24:       end