# Design

tally reads the whole input before counting. Inputs are small, and one
pass over a string is simpler than a streaming reader.

```mermaid
flowchart LR
  input[File or stdin] --> read[Read it whole]
  read --> count{Count}
  count --> lines
  count --> words
  count --> bytes
  lines & words & bytes --> row[One row, lined up]
```