Re: right use of a hash table

[philcrow]

in reply to right use of a hash table

When you refer to an element of a hash you say $hash_name{'key'}, but to refer to the whole hash you must say %hash_name. So change your mys:

my %M4;
my %M4_compteur;

Phil

[steph_bow]

Thanks a lot for your advice. It works now !