What's the quickest way to get the mean of a set of numbers from the command line?

Question

Using any tools which you would expect to find on a nix system (in fact, if you want, msdos is also fine too), what is the easiest/fastest way to calculate the mean of a set of numbers, assuming you have them one per line in a stream or file?

Accepted Answer

Awk

```
awk '{total += $1; count++ } END {print total/count}'
```

What's the quickest way to get the mean of a set of numbers from the command line?

Solution

Problem