runCommand -package:wai-app-static -package:libmpd -package:pandoc-plot -package:beam-migrate -package:shake -package:quickcheck-state-machine is:exact -package:options -package:github-release -package:io-streams -package:process -package:graphviz

Run command against the database and return its result
Runs a command using the shell.
Given a list of command/action pairs, prompt the user to choose a command using dmenu and return the corresponding action.