Ruby Language Debugging Stepping through code with Pry and Byebug
Example
First, you need to install pry-byebug gem. Run this command:
$ gem install pry-byebug
Add this line at the top of your .rb file:
require 'pry-byebug'
Then insert this line wherever you want a breakpoint:
binding.pry
A hello.rb example:
require 'pry-byebug'
def hello_world
puts "Hello"
binding.pry # break point here
puts "World"
end
When you run the hello.rb file, the program will pause at that line. You can then step through your code with the step command. Type a variable's name to learn its value. Exit the debugger with exit-program or !!!.
