Spy Handler writes: A software update of the California welfare computer system (CalWIN) caused 37,000 Food Stamp recipients to lose their EBT (a credit card paid for by the government) benefits last weekend. According to the article, Hewlett Packard was responsible for the failed update of CalWIN, but at 8:00 a.m. today Xerox (who administers another state welfare system called CalFresh) issued a patch that reactivated the EBT cards. Link to Original Source
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals