From: mathew <meta@...>
Date: 2010-11-27T08:58:24+09:00
Subject: [ruby-core:33410] Re: [Ruby 1.9-Feature#2351] system() hardlinked to /bin/sh

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On Fri, Nov 26, 2010 at 08:18, Motohiro KOSAKI <redmine@ruby-lang.org>wrote:

> And if we accept this proposal, system() will lose user enviroment
> portability. e.g. csh has completely different syntax from /bin/sh. Thus,
> distributed ruby scripts will not be able to use system().
>

Surely anyone using system() to execute a shell script will be using a
shebang (#!) line to specify the shell the script is supposed to be executed
by?

If you don't, you're likely to discover that ksh is the standard POSIX
shell, not sh; and then there's the whole issue of bash vs ash vs sh.


mathew

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On Fri, Nov 26, 2010 at 08:18, Motohiro KOSAKI <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:redmine@ruby-lang.org">redmine@ruby-lang.org</a>&gt;</span> wro=
te:<br><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class=3D"im">And if we accept this proposal, system() will lose user e=
nviroment portability. e.g. csh has completely different syntax from /bin/s=
h. Thus, distributed ruby scripts will not be able to use system().</div>
</blockquote><div><br></div><div>Surely anyone using system() to execute a =
shell script will be using a shebang (#!) line to specify the shell the scr=
ipt is supposed to be executed by?</div><div><br></div><div>If you don&#39;=
t, you&#39;re likely to discover that ksh is the standard POSIX shell, not =
sh; and then there&#39;s the whole issue of bash vs ash vs sh.</div>
<div><br></div></div><br clear=3D"all">mathew<br>

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