Re: Lua as replacement for Bash scripting

[Alexander Gladysh <agladysh@...>]

> What you can do is introduce some helper code to run external
> utilities more easily. For example you could put a __index hook on _G
> (or a module), that would check if a command line utility with the
> given key exist in the path, and would wrap a call to io.popen in a
> Lua function, with proper whitespace escaping. For example you could
> then write :

> local files = find('.', '-name' '*foo*')
> for _,file in files:match('[^\n]+') do
>    print(stat('%n is a %F', file))
> end

> Where find and stat are wrappers for the command line tools.

That's a nice idea!

I would put such hook into a separate table though — to avoid name clashes.

Also, how to do piping nicely with this approach?

Alexander.