More about it here: http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script http://stackoverflow.com/questions/592620/check-if-a

More about it here: http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script http://stackoverflow.com/questions/592620/check-if-a-program...