Thank's Krambambuli it's work. 

line #94 :
# get the number of the last sender
my $dernier_num = $msg2[$#msg2]->sender();

[download]

it was just just for not being long :) !

ps: i have another question about the same code should i creat new thread or continue in the same ?

In reply to Re^2: Modification of non-creatable array by Anonymous Monk
in thread Modification of non-creatable array by Anonymous Monk

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