efile1=$(find $SCRATCH_MNT/edir -maxdepth 1 -type f | head -1)
efile2=$(find $SCRATCH_MNT/edir -maxdepth 1 -type f | tail -1)
mv $efile1 $efile2 |& _filter_scratch | sed 's|edir/[a-zA-Z0-9+,_]\+|edir/FILENAME|g'
-src/renameat2 -x $efile1 $efile2
+$here/src/renameat2 -x $efile1 $efile2
# success, all done
status=0