How to use ping function in shell

This article mainly introduces how to use the ping function in shell, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand it.

The code is as follows:

#! / bin/bash

# 2013-01-06 14:00:00 wanggy exp

# note:ping monitor

Set-u

# set-x

Ping_fun ()

{

D_network=192.168.1

Echo-n "input the network (default $d_network):"

Read network

: ${network:=$d_network}

Echo "network:$network"

D_hostip_beg=1

D_hostip_end=254

Echo-n "input the hostip (default $d_hostip_beg $d_hostip_end):"

Read hostip_beg hostip_end

: ${hostip_beg:=$d_hostip_beg}

: ${hostip_end:=$d_hostip_end}

Echo "hostip_beg:$hostip_beg"

Echo "hostip_end:$hostip_end"

Count=3

For ((hostip=$hostip_beg;hostip/dev/null

If [$? = 0]; then

Echo "$host is up"

Else

Sleep 3

Ping-c $count $host & > / dev/null

If [$? = 0]; then

Echo "$host is up"

Else

Echo "$host is down"

Fi

Fi

Done

# echo "execution complete"

Exit 0

}

Main ()

{

Echo "- start executing the ping program -"

Ping_fun

}

Main

Exit 0

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