Convert wav to gsm on linux

This is a nifty way of converting all the wav files in the working directory to gsm format - useful if you want to record your own IVR prompts for asterisk..

for i in *.wav
do
        sox $i -r 8000 -c 1 $(basename $i .wav).gsm resample -ql
done

save the file as wav2gsm.sh, or add a shebang and save as wav2gsm and then call it like this:

./wav2gsm

All the wav files will be converted over in an instant...

christo