Shell Programming and Scripting

max=0
echo "Please enter four numbers: "
for i in 1 2 3 4
do
read number
max=`expr $max + $number`
if [ $number -gt $max ]
done

for i in 1 2 3 4
do
    read number
    if [ $number -gt $max ]; then
        max=$number
    fi
done

#!/bin/bash
echo 'Please enter four numbers'
read max
for i in 1 2 3
do
   read num
   [ $num -gt $max ]  && max=$num
done
echo 'maximum number is: $max"

max=0
echo "Please enter four numbers: \c"
for i in 1 2 3 4
do
read number
max=`expr $max + $number`
if [ $number -gt $max ]; then
max=$number
echo "The maximum is: " & $max
fi
done

echo "The maximum is: " & $max

echo "The maximum is: $max"