bash script to downsample audio file

downsampleAudio.sh

#!/bin/bash

# generate list of wav files
find "/usr/users/tuka/fram/sessions-audio-did/audio/wav" -mindepth 1 -maxdepth 1 > file.wav.list

outputdir=/usr/users/tuka/fram/sessions-audio-did/audio/wav_8K
mkdir $outputdir

# clean executable script
rm run.ctl

echo "#!/bin/bash" >> run.ctl

# read list of audio files
while read line;do

    # grab the name
    id=`basename "$line" | cut -d"." -f1`
    
    # create command and write it to executable file
    echo sox \"$line\" \"${outputdir}/${id}.wav\" channels 1 rate 8k >> run.ctl

done < file.wav.list

# downsample files
./run.ctl