[patch] bashism in sh script

[Andrew V. Samoilov]

> On Fri, 1 Aug 2003, GoTaR wrote:
> 
> > There's no thing like $[..] to evaluate expressions in POSIX sh, it's
> > bash feature. sh uses $((..)) instead (and bash understands it too).
> > Here comes fix.
> 
> Does the next line work for you?  I mean this:
> 
>     if (( $A < 10 )); then A="0$A"; fi
> 
> I think it's a much worse case of non-portable code.  Have you tested your
> changes?

I think patch below make audio.in much more portable.
BTW, I don't see reason to substitute audio from audio.in.

-- 
Regards,
Andrew V. Samoilov.
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