For reference, this has been fixed in R-devel, 74168. The problem only
exists on Windows with RGui.
As a workaround for older versions of R, one can unset environment
variables "GFORTRAN_STDOUT_UNIT" and "GFORTRAN_STDERR_UNIT" for the
duration of system/system2 calls that invoke external Fortr
A user has reported an issue that appears when a fortran executable is
called via R on Windows. I am unsure if this expected behavior or a
bug in Fortran or in how R calls Windows executables.
The problem is that when the fortran program is called from R, stdout
gets written to a file "fort.6" ins
