# Ok - pick a value based on the value of $bar
$foo = $bar eq "baz" ? "foobaz" : "foobar";
print "I am the ", ($sex eq "male" ? "king" : "queen"), "of rock & roll";
some_subroutine( ref($foo) eq "ARRAY" ? $foo : [$foo] );

##</code><code>##

# Not ok - ?: flow control
$bar eq "baz" ? $foo = "foo" : $bar = "baz";

##</code><code>##

# Ok - if/else flow control
if ($bar eq "baz") {                         
    $foo = "foo";
} else {
    $bar = "baz";
}

##</code><code>##

# Ok - if/else flow control, if a bit verbose.
if ($bar eq "baz") {                         
    $foo = "foo";
} else {
    $foo = "baz";
}