ann kok <oiyankok at yahoo.ca> wrote: >> Which program/command (perl, vi, or sed) is better to extract the data by date? << The book "Perl for System Administration ", (David N. Blank-Edelman, O'Reilly, 2000) has a chapter on using Perl to analyse log files, rotate and compress them, etc. Luckily, this chapter is the "free sample" they provide online - see http://oreilly.com/catalog/perlsysadm/chapter/ch09.html Sorted. I mean, problem solved. Best, --- Les Bell [http://www.lesbell.com.au] Tel: +61 2 9451 1144