zone "foo.com" {
type xxxxx
path xxxxx
info xxxxx
};

zone "blah.com" {
type xxxxx
path xxxxx
info xxxxx
};

zone "bar.com" {
type xxxxx
path xxxxx
info xxxxx
};

##</code><code>##

zone "foo.com" {
type xxxxx
path xxxxx
info xxxxx
};
#2 blanks still created 
#
zone "bar.com" {
type xxxxx
path xxxxx
info xxxxx
};

##</code><code>##

s/\n//;