How to execute a Ruby script in Terminal?

Solution 1:

Just call: ruby your_program.rb

or

• start your program with #!/usr/bin/env ruby,
• make your file executable by running chmod +x your_program.rb
• and do ./your_program.rb some_param

Solution 2:

Open your terminal and open folder where file is saved.
Ex /home/User1/program/test.rb

1. Open terminal
2. cd /home/User1/program
3. ruby test.rb

format or test.rb

class Test 
  def initialize
   puts "I love India"
  end
end

# initialize object
Test.new

output

I love India

Solution 3:

Assuming ruby interpreter is in your PATH (it should be), you simply run

ruby your_file.rb

Solution 4:

To call ruby file use : ruby your_program.rb

To execute your ruby file as script:

1. start your program with #!/usr/bin/env ruby

2. run that script using ./your_program.rb param

3. If you are not able to execute this script check permissions for file.