AppStore Slaes Stat Downloader, Yes it is.
It just wraps Apple's Auto-Ingestion tool up, and make it easy to use.
To run it open conf.properties first and fill it up.
userID=<iTunes Connect USERID>
password=<iTunes Connect Password>
vendorID=<Vendor ID>
savingPath=<Where to put sales stat data>
And you can run it manually as follow.
$ bash download.sh
Trying to fetch 20130824
S_D_85381067_20130824.txt.gz
File Downloaded Successfully
Report of 20130823 is already exist
… blah blah …
Personnally, I'm using it with crontab like
TZ=US/Pacific
8 * * * * bash /PATH-TO-THIS-DIRECTORY/download.sh