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From: Led <led@ukr-fin.com.ua>
To: ALT Linux Sisyphus discussion list <sisyphus@lists.altlinux.org>
Subject: Re: [sisyphus] амарок умер...
Date: Thu, 6 Jul 2006 18:42:56 +0300
Message-ID: <200607061842.57465.led@ukr-fin.com.ua> (raw)
In-Reply-To: <44AD2E16.7030006@altlinux.org>

В сообщении от 6 июля 2006 18:36 Alexander Bokovoy написал(a):
> Led пишет:
> >> Я говорю о переносимости.
> >
> > Переносимость обеспечивается при сборке пакета приблизительно так:
> > subst 's|#!/usr/bin/env ruby|%_bindir/ruby|' script А как на счёт
> > переносимости "/usr/bin/env"?
>
> Не передергивайте. /usr/bin/env -- самый старый и известный способ
> указания путей к трансляторам в *BSD-системах. Вот комментарий на эту
> тему Дэвида Уиллера в рассылке git:
>
> --------------------------------------------------------------------
> Using env this way an old trick; I don't know who originally came up
> with it.
>
> Technically, even this isn't 100% portable.  Leading "#!" (shebang)
> isn't implemented by a very few old systems (it's not in the Single User
> Spec,
> though it was introduced between v7 and v8 of Unix). Also,
> you can find one or two really obscure systems where env isn't in /usr/bin
> (OpenServer 5 and a few really old Linux distributions).
> But env is ONLY in /usr/bin for the *BSDs.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> This version runs on 99.999% of the Linux/Unix systems, and takes
> essentially zero effort to implement; "more portable" solutions are so much
> more work that few people bother if they're writing shell scripts.

Тогда да, согласен. тут не поспоришь, если человек перепробовал как минимум 
10000 разных "Linux/Unix systems":)

-- 
Led.


  reply	other threads:[~2006-07-06 15:42 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-06  6:17 Ivan Adzhubey
2006-07-06  6:51   ` Ivan Adzhubey
2006-07-06  8:00     ` Stanislav Yadykin
2006-07-06 15:50       ` Ivan Adzhubey
2006-07-06 11:59     ` Yuri Horoshkov
2006-07-06 12:03       ` Serge Polkovnikov
2006-07-06 12:05       ` Valery V. Inozemtsev
2006-07-06 13:02         ` Mikhail Yakshin
2006-07-06 13:07           ` Valery V. Inozemtsev
2006-07-06 13:09             ` Mikhail Yakshin
2006-07-06 14:00         ` Alexey I. Froloff
2006-07-06 14:26           ` Kirill A. Shutemov
2006-07-06 14:30             ` Led
2006-07-06 14:40               ` Kirill A. Shutemov
2006-07-06 14:51                 ` [sisyphus] /usr/bin/env smth. (Was: Re: амарок умер...) Andrei Bulava
2006-07-06 15:16                   ` [sisyphus] /usr/bin/env smth. (Was: Re: амарок умер... ) Led
2006-07-06 15:13                 ` [sisyphus] амарок умер Led
2006-07-06 15:23                   ` Kirill A. Shutemov
2006-07-06 15:27                     ` Led
2006-07-06 15:36                       ` Alexander Bokovoy
2006-07-06 15:42                         ` Led [this message]
2006-07-06 15:27                   ` Alexander Bokovoy
2006-07-06 15:34                     ` Led
2006-07-06 15:54                       ` Kirill A. Shutemov
2006-07-06 16:05                         ` Led
2006-07-06 16:09                           ` Kirill A. Shutemov
2006-07-06 17:01                             ` Igor Zubkov
2006-07-11 13:08                   ` Michael Shigorin
2006-07-11 13:23                     ` Led
2006-07-06 14:28           ` Mikhail Yakshin
2006-07-06 14:32             ` Alexander Bokovoy

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