fedyakov fedyakov - 1 month ago 8
R Question

How to read CSV with \", sequence inside quoted character value in R?

Here is a CSV file with two character columns:

"key","value"
"a","\","


All character values are quoted by double quotes. And there is a sequence
\",
inside one of the values (escaped quote plus delimiter). I cannot correctly read this file neither by read.csv, nor by read_csv from readr, nor by fread from data.table.

Answer

You can use readr's read_delim, which is more general than read_csv:

library(readr)

read_delim('yourfile.csv', 
           delim = ",", 
           escape_double = FALSE, 
           escape_backslash = TRUE)
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