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Re: Findutils failure due to reliance /bin/echo
From: |
Eric Blake |
Subject: |
Re: Findutils failure due to reliance /bin/echo |
Date: |
Thu, 06 May 2010 11:32:13 -0600 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Lightning/1.0b1 Mnenhy/0.8.2 Thunderbird/3.0.4 |
On 05/06/2010 09:13 AM, Ludovic Courtès wrote:
>> Even if it is also available as a shell builtin, that does not
>> alleviate the requirement to also have it available on $PATH.
>
> echo(1) *is* available in $PATH in the build environment, just like all
> of Coreutils.
>
> What would you think of ‘--with-echo’?
Why is xargs blindly calling /bin/echo? Wouldn't it just be simpler to
change xargs.c' definition of default_cmd to be "echo" instead of
"/bin/echo" and using execvp instead of execve? In a compliant
environment, you are guaranteed that echo(1) is on PATH, and calling the
wrong echo because of a non-compliant environment is not really xargs'
concern. In other words, instead of making it more complex by adding
configure --with-echo, I propose making it simpler by dropping the
hard-coding in the first place.
--
Eric Blake address@hidden +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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- Findutils failure due to reliance /bin/echo, Ludovic Courtès, 2010/05/05
- Re: Findutils failure due to reliance /bin/echo, James Youngman, 2010/05/05
- Re: Findutils failure due to reliance /bin/echo, Ludovic Courtès, 2010/05/05
- Re: Findutils failure due to reliance /bin/echo, James Youngman, 2010/05/05
- Re: Findutils failure due to reliance /bin/echo, Ludovic Courtès, 2010/05/05
- Re: Findutils failure due to reliance /bin/echo, Eric Blake, 2010/05/07
- Re: Findutils failure due to reliance /bin/echo, Ludovic Courtès, 2010/05/06
- Re: Findutils failure due to reliance /bin/echo, Eelco Dolstra, 2010/05/07
- Re: Findutils failure due to reliance /bin/echo,
Eric Blake <=
- Re: Findutils failure due to reliance /bin/echo, Ludovic Courtès, 2010/05/06
- Re: Findutils failure due to reliance /bin/echo, James Youngman, 2010/05/07