Continuing on a theme seen about Perl. Basic commands are not covered ( list , print, continue, etc. )
Install rdebug: sudo gem install rdebug -y
Open a session: rdebug script
Always show a listing after every command: set autolist
Show a variable consistently: display variableName
…or the result of a method on a variable: display variableName.methodName
Conditional break…conditionally: break ./fileName:lineNumer [if condition]
See where you are in the stack ( especially handy if you like recursion, like me ): where
Move up/down in the stack: up/down
Go to the nth frame in the stack: frame n
Main entry continued
