[10:09:10.72] P:\test>copy con junk.pl use strict; use warnings; use overload '""'=>'stringify'; sub stringify { $_[0]->() }; sub make_sub { my ($N) = ( my @f = sort @_ ); return bless sub{ for(;;$N++){ $N % $_ || return $N++ for @f } }; } @ARGV=(2,3,5) unless @ARGV; @ARGV=sort @ARGV; { local $"=", "; local $\="\n"; print "Factors: @ARGV"; foreach (@ARGV) { my $f=make_sub($_); print "F($_) = @{[($f) x 25]}"; } my $o=make_sub(@ARGV); print "R(@ARGV) = @{[($o) x 25]}"; print "----"; } ^Z 1 file(s) copied. [10:09:30.92] P:\test>junk 3 22 111 Factors: 111, 22, 3 F(111) = 111, 222, 333, 444, 555, 666, 777, 888, 999, 1110, 1221, 1332, 1443, 1554, 1665, 1776, 1887, 1998, 2109, 2220, 2331, 2442, 2553, 2664, 2775 F(22) = 22, 44, 66, 88, 110, 132, 154, 176, 198, 220, 242, 264, 286, 308, 330, 352, 374, 396, 418, 440, 462, 484, 506, 528, 550 F(3) = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75 R(111, 22, 3) = 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 154, 156, 159, 162, 165, 168, 171, 174, 176, 177 ----