require 'yaml' configuration = { 'color' => 'blue', 'font' => 'Septimus', 'font-size' => 7 } open('text.cfg', 'w') { |f| YAML.dump(configuration, f) } open('text.cfg') { |f| puts f.read } # --- # font-size: 7 # color: blue # font: Septimus open('text.cfg') { |f| YAML.load(f) } # => {"font-size"=>7, "color"=>"blue", "font"=>"Septimus"} #--- configuration = [ { 'name' => 'Alice', 'donation' => 50 }, { 'name' => 'Bob', 'donation' => 15, 'currency' => "EUR" } ] open('donors.cfg', 'w') { |f| YAML.dump(configuration, f) } open('donors.cfg') { |f| puts f.read } # --- # - name: Alice # donation: 50 # - name: Bob # donation: 15 # currency: EUR #--- puts ({ 'measurements' => 'metric' }.to_yaml) # --- # measurements: metric puts ({ :measurements => :metric }.to_yaml) # --- # :measurements: :metric #---
