Checks if this script is already running, if it's running write an error and exit creates 100 random folders. creates 100 files in each folder with the following rules: random size of 50K to 200K random file-name prefix of a, b or c random content of a-z, A-Z, 0-9, ' ' (space) for each file in each folder, remove all spaces in a file for each file in each folder, create .md5 file if any of the steps above fails, exit and write an email