SublimeText2 - Check ruby syntax after saveEdit the file: /path/to/SublimeText2/Packages/Ruby/Ruby.sublime-build to contain this: { "cmd": ["/path/to/ruby/bin/ruby", "-cw", "$file"], "file_regex": "^(...*?):([0-9]*):?([0-9]*)", "selector": "source.ruby" } Then create the following file /path/to/SublimeText2/Packages/User/ruby_check.py: import sublime, sublime_plugin class rubyCheck(sublime_plugin.