trim last octate of ip address using bash script

Shell Programming and Scripting
1

Hi,
i need to replace the last octate in ipaddress with 0 using bash shell for one of my applicatiom.
googling i found the below link where they do the same thing but use long2 ip which i dont see in linux.

trim ip address octet - Stack Overflow

Plz can soemone guide how do i do this using bash shell script?

Thanks in advance..

2

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3

here is a simple shell test.sh to do what you want

cat test.sh
ip=$1
baseip=`echo $ip | cut -d"." -f1-3`
echo $baseip".0"
./test.sh 192.168.133.14
192.168.133.0
4

wow!! thanks a lot :slight_smile:

5

Or ...

echo 192.168.133.14 | sed 's/\.[0-9]*$/.0/'
6

ok. thanks a lot.. :slight_smile: