AtomicSnarl writes: "What tools are out there to recover deleted camera phone and other similar video or imagery? Consider this case, for example, where a Memphis News photographer had his images deleted by police, but was not charged or otherwise detained. I know Hard Drive file undelete is a simple process — how do you do it with memory cards and phone camera? Lawsuits are much more fun with recovered evidence!"
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals