$a=$b || $c;
$a=$b or $c;

##</code><code>##

$a=($b || $c);
($a=$b) or $c;

##</code><code>##

@info = stat($file) || die;     # oops, scalar sense of stat!
@info = stat($file) or die;     # better, now @info gets its due

##</code><code>##

$a=$b || $c

##</code><code>##

$a=$b or $c

##</code><code>##

$a=0 or 1;
$b=0 || 1;