- Change function name as it's illegal in Bourne compat shells; BASH
  accepts it but, if you try running it with DASH (as an example),
you'll get:

```
$ dash -n suc_channel.sh
suc_channel.sh: 26: Syntax error: Bad function name
```

I know you're explicitly specifying BASH becuase of the `pipefail`
option but I still think it's best to be as compatible with other Bourne
compat shells as possible.