echo "warning: some of these tests may fail if process substitution has not" >&2
echo "warning: been compiled into the shell or if the OS does not provide" >&2
echo "warning: /dev/fd." >&2

${THIS_SH} ./builtins.tests > ${BASH_TSTOUT} 2>&1
diff ${BASH_TSTOUT} builtins.right && rm -f ${BASH_TSTOUT}