Expected STDOUT output from test.csv at https://gist.github.com/pkoppstein/a5364d07dc52d99163d6390df6375fd1

test.csv.json

["1"]
["2"]
["3"]
["4"]
["5","a"]
["\"6\""]
["\"7\"","a"]
["8","b","c"]
["9","","c"]
["10","","c"]
["11","",""]
["12","b c","bSPACEc"]
["13","C1","C2","C3","C4","C5"]
["14","","\"","blank-comma-quote"]
["15","  ","two-spaces"]
["16"," ","single space followed by embedded,commas"]
["17","split\nthis\nline","And\nthis\ntoo"]
["18","next record has both embedded newline and dquote"]
["a\n\"b\"","c"]
["19","esctab","\\t","a"]
["20","embedded tab","\t","d"]
["21","foo\\\\nbar"]
["22","b,c\\\nd"]