Question

using bash do the following script

1. Enter a list

2. Find the sum of the list

3. Find the average of the list

4. Find the max of the list

Answer 1

#!/bin/bash
echo "How many number you want to enter : "
read no
echo
for i in `seq $no`
do
echo -n "Enter no $i : "
read num
nos[$i]=$num
done
echo "Entered Numbers are: ${nos[*]}"
echo
max=`printf '%s\n' "${nos[@]}" | awk '$1 > m || NR == 1 { m = $1 } END { print m }'`
echo "Max is: "$max

avg=`printf '%s\n' "${nos[@]}" | awk 'NR == 1 { s=0 } { s+=$1;} END { print s/NR}'`
echo "Average is: "$avg

sum1=`printf '%s\n' "${nos[@]}" | awk 'NR == 1 { s=0 } { s+=$1;} END { print s}'`
echo "Sum is: "$sum1

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