date -u "+ $datefmt checking"
set +e
-diff -u "$localarea,rsums" "$localarea,lsums" >"$localarea,sumsdiff"
+diff -u <(sed -e 's/^mountpoint/dir /' "$localarea,rsums") \
+ "$localarea,lsums" >"$localarea,sumsdiff"
diffrc=$?
set -e
test $diffrc = 0 || test $diffrc = 1