test_dir=/test
rm -rf $tset_dir/*

test_dir=/test
rm -rf ${tset_dir:?nd}/*

. ~/setup_my_environment.sh

# Check for success
if [[ $some_status ]] ; then
    do_something
fi

# Check for success
if [[ $some_status == 0 ]] ; then
    do_something
fi

# Do more stuff

# Check for any failures
if [[ $some_status != 0 ]] ; then
   handle_error
fi