fix -t when using stdin
fix -t when using stdin

roxyboy/jist,dLobatog/gist,defunkt/gist,zmwangx/gist,roxyboy/gist,ConradIrwin/jist,flores/gist,mofodox/gist,Jwata/gist-old,retrography/gist,bchase/gist,eLobato/gist,ryanbradynd05/gist,ConradIrwin/gist,ConradIrwin/gist,mattn/gist