Shell finds the maximum value in an array element

Tag: Shell finds the maximum value in an array element

How does the shell compare the maximum values in all the elements in an array? Such as:

array= (111 222 333 444 555 999 888 777 666) How to find the biggest element 999?

Idea: Set a value max=${array[0]} that is the first element of the array, then use a For loop, take the first element with the second .... When an element such as 3rd is larger than array[0, the value of element 3rd is assigned to Max and the last output is Max!

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Text as follows

#!/bin/bash

#Author: Wangergui email:[email protected] date:2016-09-17

#Release 1.0

#Function find maxnum from array

Path=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:~/bin

Export PATH

Declare-a Array

array= (111 222 333 444 555 999 888 777 666)

Max=${array[0]}

For I in ${!array[@]};d o

if [[${max}-le ${array[${i}]}]];then

Max=${array[${i}]}

Fi

Done

Echo ${max}

This article from the "Linux-related technology" blog, declined to reprint!

Shell finds the maximum value in an array element