Using App::p Command Line Magic to Parse Vimperator History

I use a firefox plugin named vimperator which provides vim-like keybindings for firefox. I have it configured it to store 5000 command history entries, which is considerably more than the default (500). It has always been in the back of my mind that this might come back to bite me one day. So today I decided to check how many entries have so far been saved in the history file. I easily found that the history is stored in a json file located at ~/.vimperator/info/default/history-command…