#separator \x09
#set_separator	,
#empty_field	(empty)
#unset_field	-
#path	print_statements
#open	2019-11-13-18-11-01
#fields	ts	vals
#types	time	set[string]
1573697461.909861	hello world \x2c
1573697461.909946	T,2
#close	2019-11-13-18-11-01