+++ /dev/null
-#!/bin/bash
-function average() {
- N="0"
- I=0
- while read x
- do
- if [ -z "$x" ]
- then
- I=0
- break
- fi
- N="$N + $x"
- I=$(($I+1))
- done
- if [ "$I" = "0" ]
- then
- echo
- else
- echo "scale=3; 1+(( $N ) / $I)" | bc -q
- fi
-}