Chapter 4

Data::Counter   Perl extension to count data items.

=head1 SYNOPSIS

  use Data::Counter qw(count);

  print count("one", "two", "three");  # prints 3

=head1 DESCRIPTION

This module provides a single function, count(), that counts its arguments.

=over 4

=item $num = count($item1, $item2, ...)

This subroutine returns the number of items passed as arguments.

=head2 EXPORT

The  count  routine is available for optional export.

=head1 AUTHOR

Sam Tregar 

=head1 SEE ALSO

L.

=cut

Makefile.PL The Makefile Generator

The core of a CPAN distribution is the Makefile.PL script. Running Makefile.PL

generates a Makefile that drives the rest of the build, test, and installation procedure. 

You might wonder why a module couldn't just include a Makefile outright the 

reason is portability. Most operating systems have some kind of make utility, but the 

format and syntax of their Makefiles differ significantly. Also, the Makefile needs to 

know how Perl was configured in order to do its job. Hence, the solution is to have 

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