Shell Programming - biggest of given three numbers

# Shell Programming
# Biggest of three numbers

echo -n "Enter three numbers : "

read a b c

if [ $a -gt $b ]

then

if [ $a -gt $c ]

then

echo "Biggest is $a"

else

echo "Biggest is $c"

fi

else

if [ $b -gt $c ]

then

echo "Biggest is $b"

else

echo "Biggest is $c"

fi

fi