runCommand -package:options -package:shake -package:graphviz is:exact -package:xmonad-contrib -package:process

Runs a command using the shell.
Run command against the database and return its result
Execute a Command.
Run a command within the PlotM monad. Stderr stream is read and decoded, while Stdout is ignored. Logging happens at the debug level if the command succeeds, or at the error level if it does not succeed.