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From: dnied@tiscali.it (Dario Niedermann)
Subject: [TUHS] Shell control through external commands
Date: Sat, 10 Sep 2016 19:45:55 +0200	[thread overview]
Message-ID: <20160910174555.GG5970@dnied%tiscali.it> (raw)
In-Reply-To: <1473527216.2633960.721672049.702FC02A@webmail.messagingengine.com>

Il 10/09/2016 alle 11:41, Joerg Schilling ha scritto:

> POSIX requires some commands to be callable via exec().


Il 10/09/2016 alle 19:06, Random832 ha scritto:

> something that is technically required by POSIX. There is a general
> requirement that "regular builtin" commands [with no exception for cd]
> "shall be implemented in a manner so that they can be accessed via the
> exec family of functions as defined in the System Interfaces volume of
> POSIX.1-2008 and can be invoked directly by those standard utilities
> that require it (env, find, nice, nohup, time, xargs)."


TIL! Still, it seems to me that there is no way the `cd' script can
actually accomplish anything, even when called by exec().


  reply	other threads:[~2016-09-10 17:45 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-15 12:27 Norman Wilson
2016-09-10  7:45 ` Dario Niedermann
2016-09-10  9:13   ` Michael Kjörling
2016-09-10  9:41     ` Joerg Schilling
2016-09-10 17:06     ` Random832
2016-09-10 17:45       ` Dario Niedermann [this message]
2016-09-10 19:53         ` Dan Cross
2016-09-10 20:02         ` Chet Ramey
2016-09-10 20:27           ` Dario Niedermann
2016-09-11 10:03         ` Diomidis Spinellis
2016-09-12 10:05         ` Jacob Goense
  -- strict thread matches above, loose matches on Subject: below --
2016-09-12 12:57 Norman Wilson
2016-09-12 12:56 Norman Wilson
2016-09-12  1:43 Norman Wilson
2016-09-12  9:18 ` Joerg Schilling
2016-09-12  1:31 Norman Wilson
2016-09-12  9:33 ` Joerg Schilling
2016-09-12  0:27 Doug McIlroy
2016-09-11 17:39 Doug McIlroy
2016-09-11 18:11 ` Clem Cole
2016-09-11 18:27 ` Dan Cross
2016-09-11 18:50   ` Sven Mascheck
2016-09-11 22:13     ` Random832
2016-09-10 14:57 Nemo
2016-07-15 16:47 Doug McIlroy
2016-09-10 17:40 ` Dario Niedermann
2016-09-10 19:22   ` arnold
2016-09-12  8:35     ` markus schnalke
2016-09-12  9:25       ` Joerg Schilling
2016-09-12 12:41         ` Tony Finch
2016-09-12 12:50           ` Joerg Schilling
2016-09-13  0:17             ` Sven Mascheck
2016-09-13  1:45               ` Sven Mascheck
2016-09-13  9:20               ` Joerg Schilling
2016-09-12 20:12       ` Dave Horsfall
2016-09-12 21:36         ` Dave Horsfall
2016-09-10 22:43   ` Dave Horsfall
2016-09-11  1:24     ` Ron Natalie
2016-09-11  2:39       ` arnold
2016-09-11  2:41         ` Ronald Natalie
2016-09-11  4:07         ` Dave Horsfall
2016-09-11  5:01           ` arnold
2016-09-12  5:49             ` Dave Horsfall
2016-07-15  4:29 Rudi Blom
2016-07-14 13:18 Diomidis Spinellis
2016-07-14 13:23 ` Clem Cole
2016-07-14 14:12   ` Mary Ann Horton
2016-07-14 22:36   ` Dave Horsfall
2016-07-14 22:47     ` Corey Lindsly
2016-07-14 22:49     ` Peter Jeremy
2016-07-14 23:27       ` Marc Rochkind
2016-07-15 10:13         ` Joerg Schilling
     [not found]       ` <CAH_OBieVFzPn93L8=_fmbUycZ7UmYdXiopC0vgei6RGDZp0mHw@mail.gmail.com>
     [not found]         ` <CAH_OBie_6gFy+BqkCMj+sr0NqTMNOQxvgWf6SQnHMJpn7DAytA@mail.gmail.com>
2016-07-14 23:56           ` shawn wilson
2016-07-15  1:04             ` Dave Horsfall
2016-07-15  1:22               ` Steve Nickolas
2016-07-15  2:25               ` arnold
2016-07-16  6:26                 ` Dave Horsfall
2016-07-15  2:25             ` Random832
2016-07-15  3:59               ` Dave Horsfall
2016-07-15  4:09                 ` Random832
2016-07-15 13:55                 ` Chet Ramey
2016-07-14 23:10     ` Ronald Natalie
2016-07-15  1:41       ` Nemo
2016-07-15  9:00     ` Tony Finch
2016-07-14 14:11 ` schoedel
2016-07-14 14:38   ` Diomidis Spinellis
2016-07-14 15:46 ` John Cowan
2016-07-14 16:30   ` Random832
2016-07-14 22:32 ` Dave Horsfall

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