if [ $? -ne 0 ] ; then no_result ; fi
activity="compare output"
-diff -b -B -w pspp.list - <<EOF
+perl -pi -e 's/^\s*$//g' pspp.list
+diff -b -w pspp.list - <<EOF |perl -e 's/^\s*$//g'
1.1 DISPLAY.
+--------+-------------------------------------------+--------+
|Variable|Description |Position|