warn "io/console not supported; tty will not be manipulated" if $VERBOSE # Windows version is always stubbed for now class IO def raw(*) yield self end def raw!(*) end def cooked(*) yield self end def cooked!(*) end def echo=(echo) end def echo? true end def noecho yield self end def winsize [25, 80] end def winsize=(size) end def iflush end def oflush end def ioflush end end