[arch-general] Start a daemon, show a syntax error

[郑文辉(Techlive Zheng)]

2012/2/17 Lukas Fleischer <archlinux at cryptocrack.de>:
> On Fri, Feb 17, 2012 at 05:32:33PM +0800, 大熊 wrote:
>> 在 2012年2月17日 下午2:57，Lukas Fleischer <archlinux at cryptocrack.de>写道：
>>
>> > On Fri, Feb 17, 2012 at 12:35:03PM +0800, 郑文辉(Techlive Zheng) wrote:
>> > > 2012/2/17 大熊 <bearsprite at gmail.com>:
>> > > > No matter I manual start any a daemon, I always see a error shown on
>> > > > console:
>> > > >
>> > > > /etc/rc.d/functions: line 506: syntax error near unexpected token `('
>> > > > /etc/rc.d/functions: line 506: `        done < <(findmnt -mrunRo
>> > > > TARGET,FSTYPE,OPTIONS /)
>> > > >
>> > > > But it seem that the daemon can run correctly, so should I need to fix
>> > it
>> > > > and how to fix it ?
>> > >
>> > > I don't know why this bug is always occur again and again.
>> > >
>> > > The fix is to edit /etc/rc.d/functions, change line 506 to the following:
>> > >
>> > > done < $(findmnt -mrunRo TARGET,FSTYPE,OPTIONS /)
>> >
>> > Nope. Don't do that. Post the output of `bash --help | head -1`, `which
>> > bash` and `pacman -Qo /bin/bash`.
>> >
>>
>> ➜  ~  bash --help|head -1
>> GNU bash, version 4.2.20(2)-release-(i686-pc-linux-gnu)
>> ➜  ~  which bash
>> /bin/bash
>> ➜  ~  pacman -Qo /bin/bash
>> /bin/bash is owned by bash 4.2.020-1
>> ➜  ~
>
> Weird... Did you enforce POSIX-compatibility somewhere? How do you start
> the daemons? Do you use something broken like `sh rc.d start $foo` or
> `sh /etc/rc.d/$foo start`?
>
> If you don't, the outputs of `pacman -Qo /etc/rc.d/functions`, `head -1
> /etc/rc.d/functions` and `head -1 /usr/sbin/rc.d` might be helpful as
> well.

I have the same problem.It is all happened at codes like "done <
<(some stuff)",but after I changed it to "done < $(some stuff)", all
going well.I don't know bash has such a syntax usage?