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Date: Wed, 5 Jan 2005 14:09:17 -0500 (EST)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Emil Rojas <emil AT lapel DOT com>, cygwin AT cygwin DOT com
Subject: Re: Argument list too long
In-Reply-To: <6.2.0.14.2.20050105110043.0cd2d900@west.lustig.com>
Message-ID: <Pine.GSO.4.61.0501051403480.7503@slinky.cs.nyu.edu>
References: <6 DOT 2 DOT 0 DOT 14 DOT 2 DOT 20050105101954 DOT 0cec0bd8 AT west DOT lustig DOT com> <Pine DOT GSO DOT 4 DOT 61 DOT 0501051323160 DOT 7503 AT slinky DOT cs DOT nyu DOT edu> <6 DOT 2 DOT 0 DOT 14 DOT 2 DOT 20050105110043 DOT 0cd2d900 AT west DOT lustig DOT com>
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On Wed, 5 Jan 2005, Emil Rojas wrote:

> At 10:26 AM 1/5/2005, you wrote:
> > On Wed, 5 Jan 2005, Emil Rojas wrote:
> >
> > > I am providing grep with a long list of files, e.g. 1200 files with
> > > about 80K characters.
> > >
> > > I get the following
> > >
> > > bash: /bin/grep: Argument list too long
> > >
> > > If I reduce the total characters to less then 32K it works fine.  This
> > > list is a list of the source files in a development tree retrieved with
> > > find.
> >
> > a) wrong list.
>
> And what was the right list?

See <http://cygwin.com/lists.html#available-lists>.  I redirected it to
the right list and set the Reply-To accordingly.  I also did so for this
message - please make sure your mailer respects the Reply-To header.

> > b) try "xargs".
>
> mounting per your instructions fixed the problem.

Good.  However, "xargs" is the generally used solution for this anyway --
and it's also faster since it doesn't have to build up and then parse the
argument list string.

> > > I just updated to see if this announcement,
> > >
> > > Updated: findutils-4.2.10-5,
> > > http://sources.redhat.com/ml/cygwin/2004-12/msg00207.html would fix it,
> > > but it does not appear to do so.
> >
> > c) why would findutils fix a problem with grep?
> >
> > > I know this is not a problem under linux, and I don't remember it being
> > > a problem in earlier versions of cygwin.  Is this a feature or a bug?
> > > If it is a bug, despite reading abut reporting bugs on the cygwin web
> > > site I still am totally uncertain about how one would report this bug.
> > > Guidance here would be appreciated.
> >
> > d) CGF suggested
> >    "mount -X c:\cygwin\bin /usr/bin; mount -X c:\cygwin\bin /bin"
> >    Don't know how well it'll work, but it's worth a try.
>
> What is CGF?

<http://cygwin.com/acronyms/#CGF>.

> > Oh, and please review <http://cygwin.com/problems.html>.
>
> I did, before and after, I it got me to here, as possibly the least
> obnoxious thing I could do.

By "here" do you mean the cygwin-talk list?  And where, pray tell, is the
cygwin-talk list mentioned on that page?  Or do you mean the "lists.html"
link that mentions cygwin-talk as the list where you could be ridiculed
for asking just about anything?  BTW, the "main cygwin list" that it
refers to is <cygwin at cygwin dot com>, which, incidentally, is the list
I redirected your question to.
HTH,
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"The Sun will pass between the Earth and the Moon tonight for a total
Lunar eclipse..." -- WCBS Radio Newsbrief, Oct 27 2004, 12:01 pm EDT

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