#setup: ------- $color = 10; @color = (1,2,3); sub color {print "hello\n"}; ------- $c = ${"color"}; #grab the scalar slot for 'color' print "$c\n"; #10 @arr = @{"color"}; #grab the array slot for 'color' print "@arr\n"; #1 2 3 &{"color"}(); #grab the subroutine slot for 'color' #and execute the sub