search for: r_popen_pg

...)" > > con <- pipe("cat") > > writeLines("hello, world", con) I can reproduce this on 64-bit Linux. I think that this boils down to problems with cleanup in R_pclose_pg [*]. The FILE* fp corresponding to the child process pipe is created using fdopen() in R_popen_pg(), but R_pclose_pg() only performs close() on the file descriptor returned by fileno(). The FILE* itself is leaked, and any buffered content waiting to be written out is lost. One of the last few lines in the strace output before the process terminates is the standard C library cleaning up the FIL...

Hello, I've noticed a specific type of pipe() usage that works in released R, but not in r-devel. In 4.3.2 on macOS, I can write to a connection returned by pipe(), i.e. "hello, world" prints here: > R.version.string [1] "R version 4.3.2 (2023-10-31)" > con <- pipe("cat") > writeLines("hello, world", con) hello, world But in r-devel on