That code sure is magic: 400 out of 1000 lines contain macros!
How does the speed compare to R’s fread, which seems to be very fast, see e.g. Reading Data Is Still Too Slow.
That code sure is magic: 400 out of 1000 lines contain macros!
How does the speed compare to R’s fread, which seems to be very fast, see e.g. Reading Data Is Still Too Slow.