Get the process ID of the R Session. It is guaranteed by the
operating system that two R sessions running simultaneously will
have different IDs, but it is possible that R sessions running at
different times will have the same ID.
Usage
Sys.getpid()
Arguments
Value
An integer, often between 1 and 32767 under Unix-alikes (but for
example FreeBSD and macOS use IDs up to 99999) and a
positive integer (up to 32767) under Windows.
# NOT RUN {Sys.getpid()
## Show files opened from this R processif(.Platform$OS.type == "unix") ## on Unix-alikes such Linux, macOS, FreeBSD: system(paste("lsof -p", Sys.getpid()))
# }