Does ruby have a stepwise debugger, similar to perl's "perl -d"?

Question

Does ruby have a stepwise debugger, similar to perl's "perl -d"?

Answer 1

Check out the ruby-debug gem and the rdebug command. Here is a random blog article about ruby-debug to get you started.

Answer 2

From the command line (if you have the debug module available):

ruby -r debug /path/to/ruby_script.rb