from the hope-they-have-a-good-insurance-company dept.
Jerry Smith writes "The Register reports that the Hubble Space Telescope is still going strong, and took snapshots of two colliding galaxies. The sizes average between thousands and hundreds of thousand light years, containing ten million to one trillion stars. The process took hundreds of millions of years, and will take many more hundreds of millions of years."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals