DavidGilbert99 writes: Facebook updates its Android app quite a lot, but the latest version asks for some rather odd permissions. Rolling out in the UK this week, some users have noticed that it now wants permission to read your text messages. While most suspected Facebook wanted to access the data to try and serve you more targeted ads, Facebook says it is only so it can facilitate two-factor authentication...apparently.
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals