runCommand -package:wai-app-static -package:graphviz -package:xmonad-contrib -package:io-streams is:exact -package:libmpd -package:options
Runs a command using the shell.
Run command against the database and return its result
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