I have a \"csv\" text file where each field is separated by \\t&%$# which I\'m now trying to import into R.
\\t&%$#
The sep= argument of
sep=
As explained in this post, it is not possible in R without resorting to string parsing. You can pre-parse your file in another language (Awk, Perl, Python etc.) or read it line-by-line and parse the resulting strings in R.