[R-pkg-devel] need help to identify ff error on r-oldrel-macos-x86_64

Dr. Jens Oehlschlägel jen@@oeh|@ch|@ege| @end|ng |rom truec|u@ter@com
Mon Aug 24 22:29:54 CEST 2020

Dear Mac users,

Can someone of you identify the cause of the problem in


I can't because I don't have access to a Mac.

It seems that gc() after rm(ffobject) does not remove the ff file in rows


so maybe the finalizer is not triggered? Does delete(ffobject) work?

Kind regards


-------- Forwarded Message --------
Subject: Re: CRAN package ff
Date: Mon, 24 Aug 2020 08:23:24 +0100
From: Prof Brian Ripley <ripley using stats.ox.ac.uk>
Reply-To: CRAN using R-project.org
To: jens.oehlschlaegel using truecluster.com
CC: CRAN using R-project.org

On 24/08/2020 08:19, Prof Brian Ripley wrote:
> Dear maintainer,
> Please see the problems shown on
> <https://cran.r-project.org/web/checks/check_results_ff.html>.
> Please correct before 2020-09-07 to safely retain your package on CRAN.
> The CRAN Team
I am seeing the macOS errors on all flavours: a more complete log is

Brian D. Ripley,                  ripley using stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford

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