Shell of the intranet group Ping

#!/bin/bash
ips=192.168.0
Echo-n "Please enter network segment (default is $ips):"
Read Network
: ${network:= $ips}
echo "Network: $network"
D_ip_beg=1
d_ip_end=254
Echo-n "Input the HostIP (default $d _ip_beg $d _ip_end):"
Read Ip_beg Ip_end
: ${ip_beg:= $d _ip_beg}
: ${ip_end:= $d _ip_end}
echo "Ip_beg: $ip _beg"
echo "Ip_end: $ip _end"

For ((i= $ip _beg;i<= $ip _end;i++)); Do
host= $network. $i
Ping-w 1-c 1 $host &>/dev/null && echo "$host is up" |tee-a Uplog | | echo "$host is down"
Done
echo "For a list of surviving hosts, see the Uplog log file"

Shell of the intranet group Ping