Util for testing - prints green for 0 exit status, otherwise red

example_file_monitoring.sh

#!/bin/sh

while (true)
do 
  inotifywait -r -e close_write tardis/apps
  red_green.sh bin/django test --settings=tardis.test_settings --failfast --tests='tardis.apps.oaipmh.tests.test_oai'
done

red_green.sh

#!/bin/bash
# Author: Tim Dettrick
# Usage: red_green.sh <test_cmd>
# Example: red_green.sh bin/django test

RED="\033[0;31m"
GREEN="\033[0;32m"
NO_COLOUR="\033[0m"

SOLID_BLOCK=`echo -e "\xE2\x96\x88"`
BAR="#####################################################"

if [[ $LANG == 'en_US.UTF-8' ]]; then
	BAR=`echo $BAR | sed -e "s/#/${SOLID_BLOCK}/g"`
fi

$@
RESULT=$?
if [[ $RESULT == 0 ]]; then
	echo -e "${GREEN}${BAR}${NO_COLOUR}"
else
	echo -e "${RED}${BAR}${NO_COLOUR}"
fi