Perl Cookbook

I know Perl (or perl) and I really like Perl.

I wrote network, graphics, serial port, SNMP, and database applications, small XML parsers, etc. using perl and I think that the best book on perl is "Perl Cookbook".

#!/usr/bin/perl -w

# $Id: day.pl,v 1.7 2000/01/03 13:20:45 mtsouk Exp mtsouk $

#

# Purpose: This program calculates the number of users in the

# fe2 machine. It saves the number of users in a file

# and creates the daily graph.

#

# Date: Friday 12 November 1999