Exercises from http://pragprog.com/titles/btlang/seven-languages-in-seven-weeks

day1.rb

# Print the string "Hello, World"
puts "Hello, World"

# Find index of "Ruby" in "Hello, Ruby"
"Hello, Ruby".index "Ruby"

# Print your name ten time
10.times { puts "Stephen" }

# This is equivalent to the above one-liner
10.times do
  puts "Stephen"
end

# Print string, "this is sentence number x" from 1 to 10
(1..10).each {|i| puts "This is sentence number #{i}." }

# Run a ruby script from the command line
# ruby day1.rb