Terminal
The orders report
orders.csv: order number, customer, city, total. Make a report folder with two files in it: cities.txt (the cities orders came from, sorted, once each) and top.txt (the 3 order lines with the highest total, largest first). Then delete the tmp folder with what is in it.report/cities.txthas the cities, sorted, once eachreport/top.txthas the top 3 orderstmpis goneorders.csvis still there
The reference takes 4 commands: finish in that many, without hints, for three stars.
Files