Jim T

#!/bin/bash
for rev in $(seq 1 1 1)
do
  for rl in $(seq 1 1 10) #10
  do
     mkdir dir-${rl}

     for dl in $(seq 1 1 60) #600
     do
        mkdir dir-${rl}/data-${dl}

        for df in $(seq 1 1 3) #14
        do
           dd if=/dev/urandom bs=20k count=1 | base64 >dir-${rl}/data-${dl}/file-${df}
        done
     done

  done

  # svn ci . -m "Auto change ${rev}"
done