Lucas123 writes: When cloud storage providers shut down, as four have done in the past year, users are left wondering how they'll get their data back and whether they'll be able to migrate it directly to a new service provider. More importantly, analysts say, what guarantees they have that the data stored offsite will be deleted after the shutdown. Currently, there is no direct way to migrate data to another provider, and there are no government rules or regulations specific to data managed by cloud storage providers.
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals