YAML::DBM#select

ydbm.select { |key, value| ... }

ydbm.select(*keys)

# File tmp/rubies/ruby-3.3.0/lib/yaml/dbm.rb, line 219
def select( *keys )
    if block_given?
        self.keys.collect { |k| v = self[k]; [k, v] if yield k, v }.compact
    else
        values_at( *keys )
    end
end

If a block is provided, returns a new array containing [key, value] pairs for which the block returns true.

Otherwise, same as values_at

See also #replace #shift #reject #store also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

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