Write a program to find the largest number from three numbers ? | Shell Program |

#!/bin/bash
echo "Enter first number"
read first
echo "Enter second number"
read sec
echo "Enter third number"
read third
if [ $first -gt $sec ]; then
if [ $first -gt $third ]; then
echo "$first is greatest number"
else
echo "$third is greatest number"
fi
else
if [ $sec -gt $third ]; then
echo "$sec is greatest number"
else
echo "$third is greatest number"
fi
fi

OUTPUT

Enter first number
10
Enter second number
30
Enter third number
15
30 is greatest number