Hello, world! is often the first program that we write in a new programming language. It helps us to understand the most basic application syntax and is a good way to test our tool chain to make sure that we can compile and/or run a program.
HelloWorld.pl
#!/usr/bin/env perl
use utf8;
###############################################################################
# Simple first program.
#
# Copyright © 2020 Richard Lesh. All rights reserved.
###############################################################################
use strict;
use warnings;
MAIN:
{
print "Hello, world!\n";
}