Re: GNU Parallel 20170822 ('Barcelona') released

[Ole Tange]

On Tue, Aug 22, 2017 at 9:47 AM, Hubert Kowalski <h.kowalski@hakger.pl> wrote:

> Does --line-buffer affects performance penalty mentioned in
> https://lists.gnu.org/archive/html/parallel/2017-06/msg00009.html ?

Nope. As soon as you combine --line-buffer with something that
requires a file to be written (such as --results), then it reverts to
the old behaviour.

There has been no discussion on the list. So it is unclear if there
are any arguments for/against the current behaviour.

It will, however, be fairly easy to change the behaviour to any of these:

* Keep as is

  $ parallel --results res echo ::: foo
  foo

* No output to standard output

  $ parallel --results res echo ::: foo
  <<nothing>>

* Output of the stdout filename to standard output (similar to --files)

  $ parallel --results res echo ::: foo
  res/1/foo/stdout


/Ole