[R] Bug (?): reading binary files in Windows 10

Omar André Gonzáles Díaz om@@gonz@le@ @ending from gm@il@com
Thu Dec 6 15:02:24 CET 2018


Hi,

this is what i got, just with base R:

> a <- download.file("
ftp://ftp.fieldtriptoolbox.org/pub/fieldtrip/tutorial/preprocessing_erp/s04.eeg
","s04.eeg")
probando la URL '
ftp://ftp.fieldtriptoolbox.org/pub/fieldtrip/tutorial/preprocessing_erp/s04.eeg
'
Content type 'unknown' length 142773760 bytes (136.2 MB)
==================================================
> a
[1] 0
> length(a)
[1] 1

Information about the session:

> sessionInfo()
R version 3.4.4 (2018-03-15)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 18.04.1 LTS

Matrix products: default
BLAS: /usr/lib/x86_64-linux-gnu/blas/libblas.so.3.7.1
LAPACK: /usr/lib/x86_64-linux-gnu/lapack/liblapack.so.3.7.1

locale:
 [1] LC_CTYPE=es_ES.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=es_ES.UTF-8        LC_COLLATE=es_ES.UTF-8
 [5] LC_MONETARY=es_ES.UTF-8    LC_MESSAGES=es_ES.UTF-8
 [7] LC_PAPER=es_ES.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=es_ES.UTF-8 LC_IDENTIFICATION=C

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

loaded via a namespace (and not attached):
[1] compiler_3.4.4 tools_3.4.4    yaml_2.2.0


El jue., 6 dic. 2018 a las 8:51, Albrecht Kauffmann (<alkauffm using fastmail.fm>)
escribió:

> Dear Kate,
>
> I cannot find your small script, but I downloaded the file using your
> command line. It has the size of  142773760 bytes (136.2 MB).
>
> Hth,
> Albrecht
>
> --
>   Albrecht Kauffmann
>   alkauffm using fastmail.fm
>
> Am Do, 6. Dez 2018, um 13:45, schrieb Kate Stone:
> > Hello r-help,
> >
> > Could you help me determine whether this is an R bug or not?
> >
> > I've been trying to read this binary file in R:
> >
> > download.file("
> ftp://ftp.fieldtriptoolbox.org/pub/fieldtrip/tutorial/preprocessing_erp/s04.eeg
> ","s04.eeg")
> >
> > and I get a different length file (i.e. much longer) in Windows  >= 8
> > x64 (build 9200) than in Ubuntu. I've tested it with different R
> > versions in Windows and different package versions with the same
> > incorrect result. Other colleagues have tested it on the same
> > Windows/Ubuntu builds and got the correct length.
> >
> > I'm not sure whether this is an R problem or something to do with my
> > OS specifically, or even with the file itself. Any ideas?? I've
> > attached a small script demonstrating the issue.
> >
> > Many thanks,
> > Kate
> >
> > --
> > Kate Stone
> > PhD candidate
> > Vasishth Lab | Department of Linguistics
> > Potsdam University, 14467 Potsdam, Germany
> > https://auskate.github.io
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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