to_2d_hash

Convert an existing Hash to a two-dimensional Hash with concatenated keys:

h = {'a' => 'b', 'c' => {'d' => 'e'}}
h.to_2d_hash
# gives {'a' => 'b', 'c_d' => 'e'}

Options

• :delimiter : glue string to use for key concatenation. Defaults to '_'

Copyright (c) 2012 Floris Huetink