Write a shell script called max that takes an unspecified number of command line arguments (up to 9) of integers and finds their maximum.

A demonstration of this shell once you have developed is as follows:

$max 23 40 40 $max 2 3 17 30 40 65 33 65 $max 0 $max 1 2 3 4 5 6 12 14 7 14