Ruby在“ do”循环中使用哈希

Question

I have a code which looks like this:

hash = {
     1000 => "john",
     1001 => "mary",
}

list = File.foreach("list.txt").map { |line| line.split('  ') }

out = list.each do |(file, user, time)|
     puts "Some plain text #{file}, #{user}, #{time}"
end

In #{user} I get a number which can be 1000 or 1001.

My question is, how can I access info from hash to be able to put it instead of #{user}. In my understanding final output should look like this.

Some plain text, file.txt, john, 00:00

I was thinking about doing it like this, but it didn't worked.

puts "Some plain text #{file}, hash[user], #{time}"

Answer 1

使用字符串插值（就像您对file和time所做的那样），它适用于任何有效的Ruby表达式。

puts "Some plain text #{file}, #{hash[user]}, #{time}"