system() or pipe(..., open = "r") without child process?
On linux, is it possible to invoke an OS command from within R without
spawning a child process? If not, is it possible to avoid copying the
"parts of the caller's context" that are mentioned on the clone manpage?
ENOMEM Cannot allocate sufficient memory to allocate a task structure
for the child, or to copy those parts of the caller's
that need to be copied.
(I am trying to avoid that ENOMEM condition when calling system(),