D and i/o

[Patrick Schluter]

On Monday, 11 November 2019 at 19:36:22 UTC, Jacob Carlborg wrote:
> On 2019-11-11 02:04, sarn wrote:
>
>> FTR, that sounds like Linux's sendfile and splice syscalls. 
>> They're not portable, though.
>
> "sendfile" is intended to send a file over a socket?

It works with any file handle. I used it to implement cp and I 
had used it with pipes. Its only limitation is the 0x7FFF0000 
limit, but a 3 line loop takes care of that easily.