Ruby/Language Basics/irb

Материал из Wiki.crossplatform.ru

Check the version of Interactive Ruby

$ irb -v

Enter your Ruby code at that prompt, such as puts "Hello from Ruby."

C:\rubydev>irb
irb(main):001:0> puts "Hello from Ruby."

Working with Ruby Interactively, start irb

C:\rubydev>irb
irb(main):001:0>

You press the Enter key, irb evaluates your Ruby and gives you the result

C:\rubydev>irb
irb(main):001:0> puts "Hello from Ruby."
Hello from Ruby.