Filter ifconfig with Perl
Linux/Unix: Below is the commands to filter ifconfig to show only the eth0 IP address in Linux.
Perl Script:
Option 1
eth0 | grep “inet addr”| awk {‘print $2′} | perl -e ‘while(<>){ ($a,$b)=split/:/; print $b; }’
Option 2
ifconfig eth0 | grep “inet addr” | perl -e ‘while (<>) { ($inet, $addr, $ip, $others) = /(\w+)\s+(\w+):(\S+)\s+(.*)/; print $3.”\n”;}’
Leave a Reply
1113 views, 2 so far
today |
In this blog, I'll share my knowledge, discovery and experience related to IT and administering Linux. Most articles on this site are IT related and My Life journal. 
Or, subscribe via email: