method

select

Importance_1
v2_4_6 - Show latest stable - 0 notes - Class: SDBM
select() public

Returns a new Array of key-value pairs for which the block returns true.

Example:

require 'sdbm'

SDBM.open 'my_database' do |db|
  db['apple'] = 'fruit'
  db['pear'] = 'fruit'
  db['spinach'] = 'vegetable'

  veggies = db.select do |key, value|
    value == 'vegetable'
  end #=> [["apple", "fruit"], ["pear", "fruit"]]
end
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