Split a comma separated String into an Array:

    parts = "foo,bar,baz,qux".split(',')

Split a comma separated String, but only into three parts:

    a,b,c = "foo,bar,baz,qux".split(',',3)
    # => ["foo", "bar", "baz,qux"]

Split a comma separated String, but only capture the first and third fields:

    a,_,c,_ = "foo,bar,baz,qux".split(',')

