reading in dirty csv's with extra quote's should give a warning

[jvelumc]

I was using readr to open a CSV file which had a cell that ended with a quote. readr::read_delim did not recognize it being dirty, and does not give a warning. It did not return the full dataframe, only the rows before the line with the extra quote.

Example of CSV where read_delim will only return the first row (and also the header), without giving warnings that something may be off:

"a"	"b"	"c"
"1"	"test 1"	"A"
"2"	"test 2, this cell ends with an extra quote""	"B"
"3"	"test 3"	"C"
"4"	"test 4"	"D"

Download csv here:
dirty_csv.csv

utils:read.delim() does give a warning
data.table::fread() also gives a warning, tries to fix the cell and returned the complete data set

readr should give a warning at the very least.