[R] Error in reading subset of data from CSV file

[Jim Lemon]

Hi Christofer,
You have embedded commas in your data structure. This is guaranteed to
mess up a CSV read.

Jim


On Sun, Sep 4, 2016 at 5:54 PM, Christofer Bogaso
<bogaso.christofer at gmail.com> wrote:
> Hi again,
>
> I was trying to read a subset of Data from a CSV file using below code
> as example :
>
> library(sqldf)
>
> Dat = structure(list(`col 1` = c(133261L, 133261L, 133262L, 133262L
> ), `col 2` = structure(1:4, .Label = c("aaa1", "aaa2", "bbb1, bbb",
> "bbb3, bbb"), class = "factor"), `col 3` = c(10.59, 10.56, 10.59,
> 10.56), `col 4` = c(10.59, 10.56, 10.59, 10.56), `col 5` = c(10.59,
> 10.56, 10.59, 10.56), `col 6` = structure(c(1L, 2L, 1L, 2L), .Label =
> c("04-Jul-16",
> "05-Jul-16"), class = "factor")), .Names = c("col 1", "col 2",
> "col 3", "col 4", "col 5", "col 6"), class = "data.frame", row.names = c(NA,
> -4L))
> Dat
>
> write.csv(Dat, "Dat.csv", quote = FALSE, row.names = FALSE)
>
> ReadName = '133261'
> read.csv.sql("Dat.csv", sql = "select * from file where 'col 1' = ReadName")
>
> Loading required package: tcltk
> Error in scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings,  :
>   line 1 did not have 7 elements
>
> This code generates above Error. Could you please help me with a
> pointer where something went wrong? My actual CSV file is quite huge
> so I cant read it as whole. However basic structure of my original
> file is similar as above "Dat"
>
> Thanks for your time.
>
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