http://bashdb.sourceforge.net/ruby-debug.html
Rspec
run with "-d" flag
Debug statements (in code)
debugger - stop debugger at this point
Debugger command line
(s)tep - step forward to the next statement (n)ext - run next statement, skipping over functions (c)ontinue - continue to the next breakpoint c 15 - continue to line 15 (f)inish - finish execution (p)uts - print the value of a variable (l)ist - list surrounding lines of code (q)uit - quit
(b)reak /Users/toast/code/topaz/app/models/diagnostic_report.rb:27 - add a breakpoint b 28 - add a breakpoint at line 28 of current file