Re: Modify buffering of standard streams via environment variables (not LD_PRELOAD)?

[wrotycz]

> Sat, Apr 20, 2024 at 16:45 Carl Edquist wrote:  > > However, stdout 
and stderr are still separate streams even if they refer to the same output 
file/pipe/device, so partial lines are not interleaved in the order that they 
were printed.  >  > will output "abc\n123\n" instead of 
"a1b2c3\n\n", even if you run it as  > $ ./abc123 2>&1 | cat  
 It seems that it's 'interleaved' when buffer is written to a file 
or pipe, and because stdout is buffered it waits until buffer is full or 
flushed, while stderr is not and it doesn't wait and write immediately.