Frank -- Perhaps what you want to do is
summarize <- function(lst) {
lapply(lst, function(elt) {
if (elt$status=="ok") elt$value
else NA
})
}
summarize(parLapply(tasks, function(elt) {
# fancy calculation, then
list(status="ok", value=...)
}))
i.e., return status
On Tue, 27 Mar 2007, Frank Preiswerk wrote:
> I am slightly confused by the way the standard output is redirected in a R
> snow cluster environment.
> I am using parLapply from the snow package to execute a function on my
> MPI/LAM cluster. How can I redirect standard output (produced using "cat")
I am slightly confused by the way the standard output is redirected in a R
snow cluster environment.
I am using parLapply from the snow package to execute a function on my
MPI/LAM cluster. How can I redirect standard output (produced using "cat")
from this function back to the terminal where I invo