runCommand -package:wai-app-static -package:graphviz -package:options -is:exact is:exact -package:pandoc-plot -package:github-release -package:cabal-install -package:hledger -package:libmpd -package:process

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