Re: [Rd] WISH: Built-in R session-specific universally unique identifier (UUID)

2019-05-20 Thread William Dunlap via R-devel
I think a machine-specific input, like the MAC address, to the UUID is essential. S+ used to make a seed for the random number generator based on the the current time and process ID. A customer complained that all machines in his cluster generated the same random number stream. The machines were

[Rd] WISH: Built-in R session-specific universally unique identifier (UUID)

2019-05-20 Thread Henrik Bengtsson
# Proposal Provide a built-in mechanism for obtaining an identifier for the current R session, e.g. > Sys.info()[["session_uuid"]] [1] "4258db4d-d4fb-46b3-a214-8c762b99a443" The identifier should be "unique" in the sense that the probability for two R sessions(*) having the same identifier shoul