RFE: .so filters

[Florian Pritz]

On 10.01.2014 21:11, John Keeping wrote:
> Forking and using Lua in the child is an interesting idea.
> 
> I need to investigate how Lua generally deals with I/O, but it feels
> like it will be simpler to use a simple function interface than deal
> with slurping in the input in Lua.

Looks rather easy to slurp stdin (from http://www.lua.org/pil/21.1.html):

> t = io.read("*all")         -- read the whole file
> t = string.gsub(t, ...)     -- do the job
> io.write(t)                 -- write the file


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