When we started RedState in May of 2004, we used a website program called Scoop — the same program a lot of similar sites on the left used. But, as the number of visitors to our site grew, Scoop kept crashing on us...If we'd been a liberal website, we would have been able to fix the problem quickly and relatively cheaply. The online left loves Scoop. Unfortunately, there weren't really any conservative Scoop developers out there to help us. We kept crashing and were out of money. We had to close down or take drastic action.
egrep patterns are full regular expressions; it uses a fast deterministic algorithm that sometimes needs exponential space. -- unix manuals