#separator \x09
#set_separator	,
#empty_field	(empty)
#unset_field	-
#path	print
#open	2020-07-06-18-41-42
#fields	ts	vals
#types	time	vector[string]
1594060902.648284	hello world \x2c
1594060902.648284	2,T
#close	2020-07-06-18-41-42