It's important to remember that the other operands get evaluated though, in sequence. That doesn't mean anything with ('cc', '-E', $bar), but it does mean something with:
sub foo { $x = 10 }
sub bar { $x = 20 }
$x = 30;
$y = (foo(), bar(), $x);
print "y=$y\n";
Jeff japhy Pinyan,
P.L., P.M., P.O.D, X.S.:
Perl,
regex,
and perlhacker How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart