firstpackage.pm

PERL语言资料 可以用于PERL程序设计

#!usr/bin/perl
# Fig 6.18: FirstPackage.pm
# Our first package.

package FirstPackage;   # name the pacakge/namespace

# define a package global variable
our $variable = "birthday";

# define a variable known only to this package
my $secret = "new year";

# subroutine that displays the values of 
# the variables in FirstPackage
sub displayFirstPackageVariables
{
   print "\$variable in displayFirstPackageVariables = ",
         $variable, "\n";
   print "\$secret in displayFirstPackageVariables = ", 
         $secret, "\n";
}


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