I ran the code above and got this: 
A,B,C,D,E,F
N,N,A,B,C,D,E,F
N,A,N,B,C,D,E,F
N,A,B,N,C,D,E,F
N,A,B,C,N,D,E,F
N,A,B,C,D,N,E,F
N,A,B,C,D,E,N,F
N,A,B,C,D,E,F,N
A,N,N,B,C,D,E,F
A,N,B,N,C,D,E,F
A,N,B,C,N,D,E,F
A,N,B,C,D,N,E,F
A,N,B,C,D,E,N,F
A,N,B,C,D,E,F,N
A,B,N,N,C,D,E,F
A,B,N,C,N,D,E,F
A,B,N,C,D,N,E,F
A,B,N,C,D,E,N,F
A,B,N,C,D,E,F,N
A,B,C,N,N,D,E,F
A,B,C,N,D,N,E,F
A,B,C,N,D,E,N,F
A,B,C,N,D,E,F,N
A,B,C,D,N,N,E,F
A,B,C,D,N,E,N,F
A,B,C,D,N,E,F,N
A,B,C,D,E,N,N,F
A,B,C,D,E,N,F,N
A,B,C,D,E,F,N,N

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Is this what you wanted? What does that represent? How is that useful to you? Needless to say, you always want use strict; use warnings; in your code.

In reply to Re: Iterating over an array variable times by metaperl
in thread Iterating over an array variable times by gingaloon

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