runCommand -package:wai-app-static -package:graphviz -package:process -package:mongoDB -package:shake-plus -is:exact -package:cabal-install -package:hledger -package:io-streams -package:quickcheck-state-machine -package:pandoc-plot package:xmonad-contrib

Given a list of command/action pairs, prompt the user to choose a command using dmenu and return the corresponding action.
Given the name of a command from defaultCommands, return the corresponding action (or the null action if the command is not found).
Given a list of command/action pairs, prompt the user to choose a command using dmenu-compatible launcher and return the corresponding action. See X.U.Dmenu for compatible launchers.