#!/bin/sh
if [ $TERM=screen ]
then
  pass_color=' 33[01;32m'
  fail_color=' 33[01;31m'
fi
echo "$pass_color green $fail_color red"

#!/bin/sh
if [ $TERM=screen ]
then
  tpass_color=`tput setaf 2`
  tfail_color=`tput setaf 1` #doesn't work for red, shows yellow!
fi
echo "${tpass_color} green $tfail_color red"