How to execute a Ruby script in Terminal?

Question

I\'ve set everything up that I need on my Mac (Ruby, Rails, Homebrew, Git, etc), and I\'ve even written a small program. Now, how do I execute it in Terminal? I wrote the pr

Answer 1

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.

Answer 2

Open Terminal

cd to/the/program/location
ruby program.rb

or add #!/usr/bin/env ruby in the first of your program (script tell that this is executed using Ruby Interpreter)

Open Terminal

cd to/the/program/location
chmod 777 program.rb
./program.rb

Answer 3

For those not getting a solution for older answers, i simply put my file name as the very first line in my code.

like so

 #ruby_file_name_here.rb

 puts "hello world"