set RS_TOOLSRUBY=%RS_TOOLSROOT%\bin\ironruby\bin\ir.exe
set RUBYLIB=%RS_TOOLSROOT%\ironlib;%RS_TOOLSROOT%\ironlib\compat;%RS_TOOLSROOT%\ironlib\assembly
set PATH=%RS_TOOLSROOT%\bin\ironruby\bin;%PATH%
cmd