echo "warning: the text of a system error message may vary between systems and" >&2
echo "warning: produce diff output." >&2
echo "warning: if the text of the error messages concerning \`notthere' or" >&2
echo "warning: \`/tmp/bash-notthere' not being found or \`/' being a directory" >&2
echo "warning: produce diff output, please do not consider this a test failure" >&2
echo "warning: if diff output differing only in the location of the bash" >&2
echo "warning: binary appears, please do not consider this a test failure" >&2
${THIS_SH} ./execscript > ${BASH_TSTOUT} 2>&1
diff ${BASH_TSTOUT} exec.right && rm -f ${BASH_TSTOUT}