I am beginner in ruby and I use ruby 1.9.2 in windows 7. I have a problem with installing gems.for example : 1 - when I typed gem install RedCloth , command prompt give this error:
" ERROR: Error Installing RedCloth: invalid gem format for C:/Ruby192/lib/ruby/gems/1.9.1/cache/RedCloth-4.2.7-x86-mingw32.gem "
2 - and when I typed gem install hpricot command prompt give me this error :
" ERROR: Error Installing hpricot: The 'hpricot' native gem requires installed build tools. Please update your PATH to include build tools or download the DevKit from 'http://rubyinstaller.org/downloads' and follow the instructions at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit' "
please help me to solve this problem. Special thanks