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Re: Sub shell mit pipes


From: Paul Jarc
Subject: Re: Sub shell mit pipes
Date: Wed, 11 Aug 2004 16:32:46 -0400
User-agent: Gnus/5.110003 (No Gnus v0.3) Emacs/21.3 (gnu/linux)

Enrique Perez-Terron <address@hidden> wrote:
> On Wed, 2004-08-11 at 21:29, Paul Jarc wrote:
>> You can do that now, but it's spelled differently:
>> exec < <(commands_1) > >(commands_2)
>
> That is good. However, the docs says the process substitution is
> supported only on systems that support named pipes or the /dev/fd method
> of naming open files.

In the case of redirections, there's no reason in principle why
process substitution couldn't be available anywhere.  That could be
added without breaking anything, though I don't know how messy the
code might be.  It might be easier with new syntax.


paul




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