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Exercise 1

Create a directory named my_folder and then navigate inside that directory. Create two files named one.rb and two.rb in the my_folder directory. Write a ruby program that outputs the line this is file one when you run the one.rb file. Then write another program that outputs this is file two when you run the two.rb file. (Hint: one.rb should have this in it puts "this is file one")

Solution

$ mkdir my_folder
$ cd my_folder
my_folder $ touch one.rb
my_folder $ touch two.rb
my_folder $ ruby one.rb
this is file one
my_folder $ ruby two.rb
this is file two

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```ruby
class Foo
end
```

class Foo
end

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```
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```

class Bar
end

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```ruby
def say_hello_world
# highlight
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# endhighlight
end
```

def say_hello_world
# highlight
  puts 'Hello World!!!'
# endhighlight
end