def sh(cmd, silent = false)

    if RbConfig::CONFIG["host_os"] != "mingw32"
      full_cmd = "export PATH=#{@settings['PATH']} && #{cmd}"
    else
      full_cmd = "PATH = #{@settings['PATH']} & #{cmd}"
    end

    if silent
      system full_cmd
    else
      Rake::sh full_cmd
    end
  end
def sh(cmd, silent = false)

    if RbConfig::CONFIG["host_os"] != "mingw32"
      full_cmd = "export PATH=#{@settings['PATH']} && #{cmd}"
    else
      full_cmd = "PATH = #{@settings['PATH']} & #{cmd}"
    end

    if silent
      system full_cmd
    else
      Rake::sh full_cmd
    end
  end
Executes the command