On Sun, 22 Oct 2017 12:25:07 -0700, b...@post.pl wrote:
> There is no strace on macOS, I used dtruss (dtrace):
> 
> $ dtruss -p 1827
> SYSCALL(args)                  = return
> fstat64(0x0, 0x7FFF5B18B2F0, 0x1)              = 0 0
> lseek(0x0, 0x0, 0x1)           = 54132 0
> write(0x1, "Nil\n\0", 0x4)             = 4 0
> thread_selfid(0x0, 0x7F8252ED2090, 0x4)                = 24710 0
> 
> 
> 

This behavior changed on 
https://github.com/rakudo/rakudo/commit/80bbfcdd47bcb27c21352a53a5156a6ecdd41e65

commit 80bbfcdd47bcb27c21352a53a5156a6ecdd41e65
Author: Jonathan Worthington <jn...@jnthn.net>
Date:   Fri Jul 14 14:24:13 2017 +0200

    Use same slow-path for getc and readchars.

    This will allow fixing the common problem they have near the end of
    the file in one place, as well as giving less code to maintain.


IRC chat noted the behavior of

perl6 -e '$*IN.eof.say' 

Is different on OS X and other platforms (True on mac, False elsewhere)

-- 
Will "Coke" Coleda

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