Good Evening
I have a set of fortran code that prints results to the screen when executed
from the dos shell under windows.
I want to capture the screen output directly into R when the code is executed
via a shell command. I find that we can do this when the code is compiled
with Lahey's 32 bit compiler but can not do this when the code is compiled with
gfortran. Both .exe objects display the results properly when executed from
the dos shell. Can anyone explain why this is happening. The following
demonstrates:
Fortran code
!*************************************************************
program writetest
!*************************************************************
write(*,*) 'Hello World'
stop
end
!************************************************************
Compile commands (LF95 calls Lahey's compiler and creates writetest.exe)
lf95 writetest.for
gfortran writetest.for -o Gwritetest.exe
R script
tmp1=shell('writetest.exe',intern=TRUE)
tmp2=shell('Gwritetest.exe',intern=TRUE)
> tmp1
[1] "Hello World"
> tmp2
character(0)
I would sincerely appreciate if someone could explain why this is happening and
send me a note at:
brwin...@aol.com
Joe.
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