Perl Best Practices Pdf

=pod This is a sample module. =head1 FUNCTIONS =head2 new Create a new customer object. =cut Test-Driven Development Write tests for your code using testing frameworks like Test::Unit or Test::More. This ensures your code is correct and stable.

# Good practice my $customer_name = 'John Doe'; # Bad practice my $n = 'John Doe'; Lexical variables (declared with my ) are preferred over global variables (declared with our ). Lexical variables have a limited scope, which helps prevent namespace pollution and reduces the risk of variable collisions. perl best practices pdf

use strict; use warnings; Organize your code into modules to promote reusability and maintainability. Modules should have a single responsibility and be easy to test. =pod This is a sample module

# Good practice package Customer; use strict; use warnings; sub new { my ($class, $name) = @_; bless { name => $name }, $class; } # Bad practice sub create_customer { # code here } Use try - catch blocks or eval to handle errors and exceptions. Make sure to log or handle errors properly to prevent crashes and unexpected behavior. This ensures your code is correct and stable