假如我們有一個(gè)寫好的yaml文件:
program:
id: 1
input: 1 2
output: 3
注意:":" 后面必須有一個(gè)空格, 層級(jí)關(guān)系用2個(gè)空格
讀取方式:
require 'yaml'
problem = YAML.load(File.open("a.yml"))
puts "problem id is #{problem["program"]["id"]}"
puts "problem input is #{problem["program"]["input"]}"
puts "problem output is #{problem["program"]["output"]}"
結(jié)果:
problem id is 1
problem input is 1 2
problem output is 3
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