Combing the basic knowledge of shell script & lt; + & gt;: Array

Array definition

Static definition: array= (1 2 3)

Dynamic definition: array= ($(ls))

Array assignment: array [3] = 4

Print array

Echo ${array [0]} print array elements with ${array name [subscript]} subscript starting at 0

Echo ${array []} subscript is or @ to get the contents of the entire array

Echo ${# array [@]} get the array length

Check whether multiple website addresses are normal in batch.

Requirements: shell array method implementation, detection strategy as far as possible to simulate user access ideas

Http://www.wewe.org

Http://www.tbibib.com

Http://werrfd.com

Http://192.168.0.7

Script

#! / bin/bash

[- f / etc/init.d/functions] & &. / etc/init.d/functions

Array= (

Http://www.wewe.org

Http://www.tbibib.com

Http://werrfd.com

Http://192.168.0.7

)

Wait () {

Echo-n "wait 3s"

For ((iThin0inction iUniverse devUniverse null)

RETVAL=$?

If [$RETVAL-eq 0]; then

Action "check $1" / bin/true

Else

Action "check $1" / bin/false

Fi

Return $RETVAL

}

Main () {wait

For ((iwait)

For ((iSuppli)