I didn't notice that the node "Simple, but i liked too much..." was yours ^_^ ...

Okay, i suppose that was my fault ...

perl -e ';
eval{alir tsuj}; 1 while($b[$j++]=chop($@)); print @b;'
[download]

that prints out the same as you...

.2 enil e- ta )?"just" daol ot togrof uoy spahrep( "just" egakcap aiv 
+"rila" dohtem tcejbo etacol t'naC
[download]

Wait a minute, I've got what was the problem, we must call the file exactly as 'obs4.pl' and call it by put the './obs4.pl' to obtain the result ...
but ... buff ... :'( ... and I was thinking that the result was an homophonic cipher ... to be decoded

cheers