Just found the answer from a previous thread.. sorry for waiting your time!

On 3/5/07, Rich E <reakinator@gmail.com > wrote:
Is it possible to make one symbol that looks like "26,0,0" ?  I'd like to be able to do the command:

(amixer -c 1 cset numid=5 26,2,32768 (
|
shell

which would control the hdsp matrix mixer.  But the commas make message part before "2", then again on "32768". Any way to get the whole thing in one message?

Regards,
Rich