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

Run a Command.
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.