Re: Strange interaction with the OS

[steve donovan <steve.j.donovan@...>]

On Thu, May 30, 2013 at 7:31 AM, Jose Torre-Bueno <jtorrebueno@cox.net> wrote:

> 

> dofile'testr'

Is there a shell?   true

ls: NOSUCHFILE: No such file or directory

Check for a non existent file gives: nil exit 1

>

> os.execute'testr'

Is there a shell?   1

ls: NOSUCHFILE: No such file or directory

Check for a non existent file gives: 256

>

This is exactly the difference between os.execute running on Lua 5.2 (returns 'nil exit 1') and Lua 5.1 (returns '256')

Check your versions (_VERSION) and you will see...