also this solution works only for series of consecutive integers starting with 1
perl -E "$a=1;say$a*=++$}for @ARGV" 0 1 2 3
1
2
6
24
perl -E "$a=1;say$a*=++$}for @ARGV" 1 3
1
2

[download]


L*
There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.

In reply to Re^4: Golf: Factorials by Discipulus
in thread Golf: Factorials by srawls

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