$ brew install exercism
$ exercism configure --key=YOUR_API_KEY --dir=/path/to/exercises

% exercism fetch
                     New: 21 problems
            Bob (clojure) /Users/yoshiki/exercism/clojure/bob
       Bob (coffeescript) /Users/yoshiki/exercism/coffeescript/bob
                Bob (cpp) /Users/yoshiki/exercism/cpp/bob
            Leap (csharp) /Users/yoshiki/exercism/csharp/leap
             Bob (elixir) /Users/yoshiki/exercism/elixir/bob
            Leap (erlang) /Users/yoshiki/exercism/erlang/leap
Sum Of Multiples (fsharp) /Users/yoshiki/exercism/fsharp/sum-of-multiples
                Leap (go) /Users/yoshiki/exercism/go/leap
           Leap (haskell) /Users/yoshiki/exercism/haskell/leap
               Etl (java) /Users/yoshiki/exercism/java/etl
         Bob (javascript) /Users/yoshiki/exercism/javascript/bob
   Point Mutations (lisp) /Users/yoshiki/exercism/lisp/point-mutations
            Hamming (lua) /Users/yoshiki/exercism/lua/hamming
        Bob (objective-c) /Users/yoshiki/exercism/objective-c/bob
              Bob (ocaml) /Users/yoshiki/exercism/ocaml/bob
              Bob (perl5) /Users/yoshiki/exercism/perl5/bob
          Hamming (plsql) /Users/yoshiki/exercism/plsql/hamming
             Bob (python) /Users/yoshiki/exercism/python/bob
           Hamming (ruby) /Users/yoshiki/exercism/ruby/hamming
              Bob (scala) /Users/yoshiki/exercism/scala/bob
             Leap (swift) /Users/yoshiki/exercism/swift/leap

unchanged: 0, updated: 0, new: 21

$ exercism submit FILENAME