"This post sets a challenge; the goal is to come up with a bash one-liner (which can include multiple statements, pipes, etc. to arbitrary level) which removes "incriminating" lines from the .bash_history file, without looking too incriminating itself [...] feel free to leave your offerings in comments to this post..."

"This is the third and final part of a three-part article on the famous Awk one-liners. This part will explain Awk one-liners for selective printing and deletion of certain lines. See part one for introduction of the series..."