Creating Sliding Drop Sequences

The script that was used to generate the Sliding Drop Sequences on this site.

The Shell Script

#!/bin/bash    
for lev in {a..l}  
do    
if [ -d ${lev} ]; then    
echo "! Directory ${lev} exists"  
else    
echo "* Creating directory ${lev}"    
mkdir -v ${lev}  
fi     
for sess in {00..75}  do       
if [ -f ${lev}/${sess}${lev}.mp3 ]; then     
echo "! File ${lev}/${sess}${lev}.mp3 exists"     
continue;    
else     
echo "* Creating: ${lev}/${sess}"     
sbagen -Q -r 48000 -Wo ${lev}/${sess}${lev}.wav -m rain4.ogg -p drop t10,4,1 ${sess}${lev}s+^/5 mix/90     
lame --brief --resample 44100 --ta "Trixtr" --ty "2010" --tg "39" --tl "Level ${lev} (Slide)" --tt "Drop Sequence #${sess}" --preset 128 ${lev}/${sess}${lev}.wav ${lev}/${sess}${lev}.mp3     
rm  ${lev}/${sess}${lev}.wav    
fi     
done    
done