from the Q-36-explosive-space-modulator dept.
ntmokey writes "When China tested a missile on its own satellite in January, the nation's aggressive statement immediately raised eyebrows among the world's other space-faring nations. Popular Mechanics looks at the implications of a conflict in space — including debris that could render space unusable for decades — and examines the United States' own space arsenal."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals