ruby file code example

Example 1: A Ruby write to file example

# open and write to a file with ruby
open('myfile.out', 'w') do |f|
  f.puts "Hello, world."
end

# an alternative approach:
open('myfile.out', 'w') do |f|
  f << "Hello, world.\n"
end

Example 2: load file in terminal ruby

launch irb

require './ruby_file.rb'