Naming multiple variables with the same name like you did ($args, %args) is
a
bad idea. because when you want to access the value of the hash %args
($args{FN}) you are accessing in reality what was shifted in the scalar
$args and not the hash %args
because perl use simbolic reference.
here is a link that explain thathttps://perlmaven.com/symbolic-reference-in-perl *Khalil Zakaria Zemmoura* *Visiteur Médical EST* *Laboratoire NOVOMEDIS*
