ruby - Ruby - 命令退出错误

Question

我对编程完全陌生，我无法弄清楚为什么在输入以下内容时会出错：

puts "What is your favorite number?"
number = gets.chomp
number = number.to_i + 1
puts "I suggest " + number.to_s + " as a bigger and better number"

当我在终端中运行时，会出现以下错误：

Last login: Fri Jul 10 07:56:21 on ttys000
mba-3093:~ knalavadi$ 
/var/folders/cv/tm657j1d0kg68fbb1rqtrlgjlg_hrm/T/Cleanup\ At\ Startup/ruby2-458233138.705.rb.command ; exit;

What is your favorite number?

Answer 1

该代码有效。你是如何运行脚本的？将其放入 number.rb 之类的文件中，然后通过键入运行它ruby number.rb