Re: Lua as replacement for Bash scripting

[Alexander Gladysh <agladysh@...>]

On Wed, Jul 7, 2010 at 06:47, David Manura <dm.lua@math2.org> wrote:
> On Tue, Jul 6, 2010 at 8:52 PM, Hisham <hisham.hm@gmail.com> wrote:
>> ...given that io.popen can only do reading or writing but not both...

<...>

> I don't see the benefit of `pipe.ls("/dev").grep("^sd.*")` compared to
> `exec "ls /dev | grep ^sg.*".  This reminds me of some wrappers around
> SQL that add a layer of bloat.

But what if you want to insert some Lua code in between? Granted, you
may code a separate Lua program — but in Bash you don't have to do
this.

    -exec "ls /dev" (function(input) <do something and echo results>
end) "grep ^sg.*"

Alexander.