> Rodney W. Grimes <[EMAIL PROTECTED]> wrote:
> > > Before anyone starts writing scripts, consider that {} will be
> > > replaced by xargs with (roughly) ARG_MAX - 10 characters worth of the
> > > stuff coming off the pipe. If your combined arguments plus
> > > environment exceeds ARG_MAX execve(2) will give you E2BIG.
> >
> > No rain here, it is ARG_MAX - 2048:
> > -s size
> > Set the maximum number of bytes for the command line length pro-
> > vided to utility. The sum of the length of the utility name and
> > the arguments passed to utility (including NULL terminators) will
> > be less than or equal to this number. The current default value
> > for size is ARG_MAX - 2048.
> >
> > 2K would be a pretty big env, root default std is about 367 bytes.
> >
> > Yes, that is probably not a portable assumption to make, but it is
> > far better than using non-standard options to xargs.
>
> If I'm not mistaken, the size of the environment is already
> taken into account by the xargs utility (subtracted from
> ARG_MAX). So this isn't an issue at all.
Unless xargs runs a command with lots of arguments and that command
increases the environment size then tries to run another command with
the same arguments - bang (E2BIG).
> Regards
> Oliver
>
> --
> Oliver Fromme, secnetix GmbH & Co KG, Oettingenstr. 2, 80538 München
> Any opinions expressed in this message may be personal to the author
> and may not necessarily reflect the opinions of secnetix in any way.
>
> "All that we see or seem is just a dream within a dream" (E. A. Poe)
--
Brian <[EMAIL PROTECTED]> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org> <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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