[datatable-help] Odd problem using fread to read in a csv file: no data, just headers

[Farrel Buchinsky]

> sessionInfo()
R version 3.0.2 (2013-09-25)
Platform: x86_64-w64-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United
States.1252    LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C                           LC_TIME=English_United
States.1252

attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets  methods
base

other attached packages:
[1] reshape2_1.2.2    data.table_1.9.2  gridExtra_0.9.1   ggplot2_0.9.3.1
RGoogleDocs_0.7-0

loaded via a namespace (and not attached):
 [1] colorspace_1.2-4   dichromat_2.0-0    digest_0.6.4       gtable_0.1.2
      labeling_0.2       MASS_7.3-29        munsell_0.4.2
 [8] plyr_1.8.1         proto_0.3-10       RColorBrewer_1.0-5 Rcpp_0.11.0
     RCurl_1.95-4.1     scales_0.2.3       stringr_0.6.2
[15] tools_3.0.2        XML_3.98-1.1

Farrel Buchinsky
Google Voice Tel: (412) 567-7870


On Wed, Mar 5, 2014 at 10:55 PM, Kevin Ushey <kevinushey at gmail.com> wrote:

> Works fine for me with data.table 1.9.1 on OS X. What is your
> sessionInfo()?
>
> Kevin
>
> On Wed, Mar 5, 2014 at 7:53 PM, Farrel Buchinsky <fjbuch at gmail.com> wrote:
> > Any idea why I am getting a data.table with headers only and zero data?
> How
> > can I get around the problem.
> >
> > fread("http://www.cdc.gov/growthcharts/data/zscore/statage.csv",
> verbose=T)
> > fails
> > read.csv("http://www.cdc.gov/growthcharts/data/zscore/statage.csv")
> succeeds
> >
> >> statagecdc <-
> >> fread("http://www.cdc.gov/growthcharts/data/zscore/statage.csv",
> verbose=T)
> > trying URL 'http://www.cdc.gov/growthcharts/data/zscore/statage.csv'
> > Content type 'application/octet-stream' length 66087 bytes (64 Kb)
> > opened URL
> > downloaded 64 Kb
> >
> > Input contains no \n. Taking this to be a filename to open
> > File opened, filesize is  6.2E-05B
> > File is opened and mapped ok
> > Detected eol as \r only (no \n afterwards). An old Mac 9 standard,
> > discontinued in 2002 according to Wikipedia.
> > Using line 1 to detect sep (the last non blank line in the first
> > 'autostart') ... sep=','
> > Found 14 columns
> > First row with 14 fields occurs on line 1 (either column names or first
> row
> > of data)
> > All the fields on line 1 are character fields. Treating as the column
> names.
> > Byte after header row is eof or eol, 0 data rows present.
> > Type codes: 00000000000000 (first 5 rows)
> > Type codes: 00000000000000 (after applying colClasses and integer64)
> > Type codes: 00000000000000 (after applying drop or select (if supplied)
> > Allocating 14 column slots (14 - 0 NULL)
> >    0.000s (  0%) Memory map (rerun may be quicker)
> >    0.000s (  0%) sep and header detection
> >    0.001s (100%) Count rows (wc -l)
> >    0.000s (  0%) Column type detection (first, middle and last 5 rows)
> >    0.000s (  0%) Allocation of 0x14 result (xMB) in RAM
> >    0.000s (  0%) Reading data
> >    0.000s (  0%) Allocation for type bumps (if any), including gc time if
> > triggered
> >    0.000s (  0%) Coercing data already read in type bumps (if any)
> >    0.000s (  0%) Changing na.strings to NA
> >    0.001s        Total
> >
> >
> > Thanks a lot.
> >
> > Farrel Buchinsky
> > Google Voice Tel: (412) 567-7870
> >
> > _______________________________________________
> > datatable-help mailing list
> > datatable-help at lists.r-forge.r-project.org
> >
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/datatable-help
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/datatable-help/attachments/20140306/361f326c/attachment-0001.html>