[R] reading in a Fortran binary array

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Apr 8 22:28:22 CEST 2008

See ?readBin

The format of a Fortran unformatted file is compiler- and OS-dependent, 
but if you know what it is, readBin() can read it.

On Tue, 8 Apr 2008, Alexy Khrabrov wrote:

> Greetings -- I'd like to avoid converting a Fortran array of floats
> into ASCII and back reading it in R.  Furthermore it's much faster to
> dump large arrays in binary, as they take up much less space with full
> precision -- many decimal points take up many bytes in ASCII versus
> four or eight per float in raw. Is there a way to read such a Fortran
> unformatted file back into R?
> Cheers,
> Alexy
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Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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