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On Thu, Feb 27, 2014 at 5:08 AM, Sean Conner <> wrote:
>         list = {}
>         cmd = U("ls -l") .. U("grep foobar") / "grep-stderr" .. function()

Here's another notation style that we once discussed:

res ={l=true}:grep 'foobar'

A chain of methods, where method name are commands, flags are table
keys and arguments are table entries or arguments.