# Coreutils `sum`, <s>8</s> 6 bytes

Using the old System V [`sum`][1], still part of coreutils, and a file `a`. <br>Bonus score: `533⭐️`

```lang-bash
sum -s
```
 [Try it online!][2] <sub><s>[8 bytes][3]</s></sub> <sub>(similar to [258739][4])</sub>


 [1]: https://www.gnu.org/software/coreutils/manual/html_node/sum-invocation.html
 [2]: https://tio.run/##fcpRT4JAAMDxdz7FXR4cgqnVRmKGKbBqrlzLhU0U6JJ0d4FwlyjLz04Prqe2Hv/7/0q@qir@9QlOebXJ14mIAb5bMpYCL83ZO8TAiiQSCRB9H5Uk/bJj/wFV1pI7q2RjTeR9HxePb/6hYdLcA4pj4vkIJVeseTHWhashrRkMFxzeUF@xWdcdn5Vph7/s3O1wZ6eEBvf6eWqA/XKqtadZVzwv4jqEl9dQUHPUM2otN6RcdTAqkW8MiP4wUWZ8Ng9e1bD3IZ8UMvFwSJSs7qB2zUZPt7HVH6B1VGxJ4xCaUP3//gA
 [3]: https://tio.run/##hZBdT4JQAIbvz684Jw8cPkytNhIjTJE@5oq1XNg8CkSSDgLhkCiN305ura27bt/3eS@et2SrWtNM61r3QNrmuqt4o0@4fZ@S4uGVVk01zGzIj1RK5mMcX0StM0vOTQlLLWe4YOgqpLwR9UzrpEy67Hlnboc7I/FD504@TRS4X06lzjTt5U@LQETo/BLloTrWlEbbpG7IhBEluMRUGfjy/YTyMzabOy8CdbV37qjgfJsS6vp8Ko5wp2Hgx5tA7w/w2iu2frOiroqEfwFwUAMgEMSvmn1@wGMGvboCAQCbbB3nASS3yyhKoJ1k0Rsi8PDCn@538ZPX3w
 [4]: https://codegolf.stackexchange.com/questions/258739/string-with-the-smallest-sum-of-ascii-values/258758#258758