shelly features that require extra dependencies https://github.com/yesodweb/Shelly.hs
|Latest on Hackage:||0.3.0.2|
This package is not currently in any snapshots. If you're interested in using it, we recommend adding it to Stackage Nightly. Doing so will make builds more reliable, and allow stackage.org to host generated Haddocks.
A background job implementation for performing tasks in parallel.
Please see the shelly package. Shelly provides a single module for convenient systems programming in Haskell, similar in spirit to POSIX shells.
shelly-extra is designed to be a grab bag for functionality that either
requires extra dependencies
is application specific and not generally applicable