haskell Shelly provides convenient systems programming in Haskell, similar in spirit to POSIX shells. Shelly: * is aimed at convenience and getting things done rather than being a demonstration of elegance. * has detailed and useful error messages * maintains its own environment, making it thread-safe. * is modern, using Text and system-filepath/system-fileio Shelly is originally forked from the Shellish package. See the shelly-extra package for additional functionality. An overview is available in the README: <https://github.com/yesodweb/Shelly.hs/blob/master/README.md> yesodweb/Shelly.hs run the tests against Shelly.Lifted