sheet	col	row	longname	input	keystrokes	comment
			open-file	sample_data/benchmark.csv	o	
benchmark	Item		freq-col		F	
benchmark_Item_freq			quit-sheet		q	
benchmark	Item	3	select-equal-cell		,	
benchmark		3	unselect-row		u	
benchmark	Quantity		delete-cells		gzd	
benchmark	Quantity		type-int		#	
benchmark	Quantity		aggregate-col	avg	+	
benchmark	Item		freq-col		F