From: ts <decoux@...>
Date: 2006-04-23T22:22:05+09:00
Subject: Re: [QUIZ] Text Munger (#76): A solution

>>>>> "S" == Stefano Taschini <taschini.mlist@gmail.com> writes:

S> I might have written lines 10 and 11 together as

S> $1 + $2.scan(Letter).sort_by{rand}.join})

S> but you don't have to be a C programmer to understand that using
S> global variables together with functions that alter them within two
S> sequence points is a bad idea

 $~ is not a global variable : it's a local and thread-local variable (like
 $_)

 $1 ($2, ...) make reference to the first (second, ...) substring matched. 


Guy Decoux