Here is a simple example using the shift operator. 
my $x = -2; 
my $y = 0; 
my $z = 1;

my $t = 1; 
for( $x,$y,$z){ $t = $t<<1 if $_; }

print "none set" if $t == 1;
print "only one set" if $t == 2;
print "more than 1 set" if $t > 2;

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JamesNC

In reply to Re: One out of three ain't bad by JamesNC
in thread One out of three ain't bad by saintmike

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