cp -p "$from3dir"/sub2/subby "$chkdir"/sub2
# Get rid of any directory-time differences
-$RSYNC -av --existing --include='*/' --exclude='*' "$from1dir/" "$from2dir/" "$from3dir/" "$chkdir/"
+touch "$from1dir" "$from2dir" "$from3dir" \
+ "$from2dir"/sub1 "$from3dir"/sub1 "$from3dir"/sub2 \
+ "$chkdir" "$chkdir"/sub1 "$chkdir"/sub2
checkit "$RSYNC -aHvv \"$from1dir/\" \"$from2dir/\" \"$from3dir/\" \"$todir/\"" "$chkdir" "$todir"