[Freeswitch-users] Running sox from within lua

[Alex Lake]

Now THAT does run sox - at least it shows the output of sox on the screen...
Thanks.
Not sure, though, that --norm does quite what I was hoping!
Alex
> Here an example of how I execute sox from lua, to get the recording length :
> https://github.com/Star2Billing/newfies-dialer/blob/master/lua/libs/texttospeech.lua#L113
>
> You might need something like this :
>
> function simple_command(command)
>      --
>      local file = assert(io.popen(command, 'r'))
>      local output = file:read('*all')
>      file:close()
>      return output
> end
>
> res = simple_command(string.format([[sox --norm %s %s.new]],
> file_to_normalise, file_to_normalise))
>
>
> On Tue, Feb 19, 2013 at 5:21 PM, Alex Lake <alex at digitalmail.com> wrote:
>> Having a spot of bother with this bit of lua:
>>
>> result = os.execute(string.format([[sox --norm %s %s.new]],
>> file_to_normalise, file_to_normalise))
>>
>> It's returning -1. I believe freeswitch is running as root and that the
>> sox file is in that location and is runnable.
>>
>> Any ideas?
>>
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>
>