echo "warning: all of these tests will fail if the conditional command has not" >&2
echo "warning: been compiled into the shell" >&2
echo "warning: some of these tests will fail if extended pattern matching has not" >&2
echo "warning: been compiled into the shell" >&2
${THIS_SH} ./cond.tests > /tmp/xx 2>&1
diff /tmp/xx cond.right && rm -f /tmp/xx