Those tools are not centos only. > > > Thank you for your reply. Yes, you are right. But my server is running centos and so I wanted to find its power in text file manipulations (rather than trying to write C code). -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100513/6d44450c/attachment-0004.html>