[LAU] OT: Combining a LOT of files

hello everyone,

I have a directory full of wav files in folders.  Inside each folder, I have wav files, all with unique names, grouped into 2 files, one for each channel.  For example:

dir_1/
    hello-L.wav
    hello-R.wav
    alice-L.wav
    alice-R.wav

dir_2/
    bye-L.wav
    bye-R.wav
    bob-L.wav
    bob-R.wav
dir_3/
    etc...

I know I can use sox to merge 2 audio files into a stereo mix, like so:

sox -M left.wav right.wav output.wav

I would love to write a script that will descend into each directory, find 2 commonly named files, assume one is left channel and one is right, combine them, and carry on.  While I am familiar with bash scripting, this task is far beyond what I am able to do.  Does anyone have any tips, tricks or suggestions as to how to approach this?  I suspect the answer will be, "use a programming language," and I wouldn't fault anyone for saying that.  Unfortunately I have a hammer made of bash, so everything is a nail.  :)  

(That being said, if you *know* how to do this in, say, python, please tell me and I'll work until I can fill in the rest of the details - I don't mind doing the homework, I just need a map!)

Thank you!

Josh
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