awk substr

http://unix-simple.blogspot.com/2006/10/awk-substr-function.html

Linux give user permisison to see apache logs

Grant a user permissions to see apache logs

groupadd admin
usermod -g admin billyj
chgrp admin /var/log/httpd
chmod g+s /var/log/httpd

src:http://serverfault.com/questions/405496/assign-user-and-group-to-site-log-files