readlineIf you are a specialist of cygwin or mingw, you may also build readline from source. But, there are an easier way - installing rb-readline.
> gem install rb-readlineAnd you should check rb-readline is active like below:
> irb --readline -r irb/completion
debuggerIn short: check this post. In more detail, let's do three installation like below:
- Download linecache19 (0.5.13 or above) from here, then
> gem install linecache19-0.5.13.gemat last check that c:/ruby-1.9.3/include/ruby-1.9.1/ruby-1.9.3-p0 is created.
- Download ruby-debug-base19 (0.11.26 or above) from here, then
> gem install ruby-debug-base19-0.11.26.gem -- --with-ruby-include=c:/ruby-1.9.3/include/ruby-1.9.1/ruby-1.9.3-p0
> gem install ruby-debug19
If you want to manage these features in Rails3Edit for your Gemfile on your app like below:
group :development do
gem 'ruby-debug19', require: 'ruby-debug'