Shell script implementation to determine whether the IP address in an IP segment code sharing

Source: Internet
Author: User
Tags exit min printf ipcalc

This article mainly introduces the shell script to determine whether the IP address in an IP segment code sharing, this article directly to the implementation code, the need for friends can refer to the


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20-21 Cat #!/bin/bash ip=$1 If [-Z $IP] then echo-e "e[31;42m sh IP e[0m" Exit fi while read MASK do min= '/usr/bin/ipcalc $MASK |awk '/hostmin:/{print $} ' max= '/usr/bin/ipcalc $MASK |awk '/hostmax:/{print $} ' min= ' echo $ Min|awk-f "." ' {printf '%.0fn ', $1*256*256*256+$2*256*256+$3*256+$4} ' max= ' echo $max |awk-f. ' ' {printf '%.0fn ', $1*256*256*256+$2*256*256+$3*256+$4} ' ipvalue= ' echo $IP |awk-f. ' ' {printf '%.0fn ', $1*256*256*256+$2*256*256+$3*256+$4} ' if [' $IPvalue '-gt ' $MIN '] && [' $IPvalue '-lt ' $MAX '] t Hen echo-e "e[31;42m $IP in Ipset $MASK e[0m" Exit fi done<ipset.conf

ipset.conf format


1 2 3 4 5 6 7 8 More ipset.conf

Run SH IP address

Less efficient hey, next time, try Perl.

/usr/bin/ipcalc This is not a system-led command is a Perl version of the

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