In cases of similarly convoluted conditionals, I usually go the route of creating self-documenting variables to store the value. I know this may trigger some Monks' "flag variables are evil" detector, but I think they're justified in [certain] cases like this:

my $foo_is_ready = (foo1 && foo2)
                || (foo3 && bar1 && baz1);

if ($foo_is_ready) {
    ...
}

[download]

I think it makes the actual if statement read a lot cleaner, and it gives future maintenance programmers an idea of what the condition actually is. You can even take it a step further and break up the condition into subconditions:

my $first_foo = foo1 && foo2;
my $second_foo = foo3 && bar1 && baz1;
my $foo_is_ready = $first_foo || $second_foo;

if ($foo_is_ready) {
    ...
}

[download]

Of course you run the risk of going overboard here, but I think the technique can be used to good effect.

Update: clarified to avoid confusion over example vs general idea.

In reply to Re: bloated 'if' formatting by revdiablo
in thread bloated 'if' formatting by eff_i_g

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