Hello choroba,

Thank you for your time and effort, there are so many things that I do not know. Your answer helped to view the way that pack should be defined.

I minor note, it would be easier for me and in general for people who do not know much of Perl to write it like this.

Output:

Thanks again for the time and effort, you helped me a lot understanding. Every area that someone has not worked before is always confusing at the beginning.

Reference to using CORE::pack, CORE::unpack.