Fix filenames with spaces not working

plugins/dups

@@ -21,7 +21,9 @@ size_digits=12
 tmpfile=$(mktemp "$TMPDIR/.nnnXXXXXX")
 
 # shellcheck disable=SC2016
-find . -size +0 -type f -printf "%${size_digits}s %p\n" | sort -rn | uniq -w"${size_digits}" -D | tr '\n' '\0' | xargs -0 -n1 sh -c 'printf "%s %s\n" "$(md5sum $@)" "d$0"' | sort | { uniq -w32 --all-repeated=separate; echo; } | sed -nE '
+find . -size +0 -type f -printf "%${size_digits}s %p\n" | sort -rn | uniq -w"${size_digits}" -D | sed -E '
+s/^ {,12}([0-9]{,12}) (.*)$/printf "%s %s\\n" "$(md5sum "\2")" "d\1"/
+' | tr '\n' '\0' | xargs -0 -n1 sh -c | sort | { uniq -w32 --all-repeated=separate; echo; } | sed -nE '
 h
 s/^(.{32}).* d([0-9]*)$/md5sum: \1 size: \2 bytes/p
 g
@@ -36,7 +38,7 @@ p' | sed -E 's/^.{32} (.*) d[0-9]*$/\1/' > "$tmpfile"
 cat "$tmpfile"
 
 # shellcheck disable=SC2016
-sed -e 's/md5sum.*//' "$tmpfile" | tr '\n' '\0' | xargs -0 sh -c 'rm -i $0 $@ < /dev/tty'
+sed -e 's/md5sum.*//' "$tmpfile" | tr '\n' '\0' | xargs -0 sh -c 'rm -i "$0" "$@" < /dev/tty'
 
 rm "$tmpfile"