Thank you very much for your kind help. That fixed my issue.
Best regards,
Arman
________________________________
From: Shepherd, Lori <lori.sheph...@roswellpark.org>
Sent: Wednesday, April 24, 2019 9:59:40 PM
To: Arman Shahrisa; Martin Morgan; bioc-devel; szwj...@gmail.com
Subject: Re: [Bioc-devel] How can I print a message on console with
library("myPackage")?
I assume your package is the cbaf package?
Don't forget the new zzz.R file to the collate field in the DESCRIPTION
Lori Shepherd
Bioconductor Core Team
Roswell Park Cancer Institute
Department of Biostatistics & Bioinformatics
Elm & Carlton Streets
Buffalo, New York 14263
________________________________
From: Bioc-devel <bioc-devel-boun...@r-project.org> on behalf of Arman Shahrisa
<shahrisa.ar...@hotmail.com>
Sent: Wednesday, April 24, 2019 1:27:25 PM
To: Martin Morgan; bioc-devel; szwj...@gmail.com
Subject: Re: [Bioc-devel] How can I print a message on console with
library("myPackage")?
I really appreciate your kind answers. I created the zzz.R file in the same
folder as the rest
of my R files. I tried both .onAttach and .onLoad functions as follow:
> .onAttach <- function(libname, pkgname){
> packageStartupMessage("Please send bug reports and suggestions to
> shahrisa.ar...@hotmail.com with a meaningful email subject")
> }
When I use Install and Restart in Rstudio, I get the following error:
==> Rcmd.exe INSTALL --no-multiarch --with-keep.source cbaf
* installing to library 'C:/Program Files/R/R-devel/library'
* installing *source* package 'cbaf' ...
** R
Error in .install_package_code_files(".", instdir) :
files in 'Z:/cbaf/Source/cbaf/R' missing from 'Collate' field:
zzz.R
ERROR: unable to collate and parse R files for package 'cbaf'
* removing 'C:/Program Files/R/R-devel/library/cbaf'
* restoring previous 'C:/Program Files/R/R-devel/library/cbaf'
Exited with status 1.
Best regards,
Arman
________________________________
From: Martin Morgan <mtmorgan.b...@gmail.com>
Sent: Tuesday, April 23, 2019 11:49:19 PM
To: Arman Shahrisa; bioc-devel
Subject: Re: [Bioc-devel] How can I print a message on console with
library("myPackage")?
This is called the 'tragedy of the commons', where everyone seems something
that looks good (screen real-estate to advertise their package) and so takes
advantage of it. Once everyone does that, the 'commons' is completely destroyed
by messages like the one you're trying to suppress.
You can participate in this tragedy by using `packageStartupMessage()` in an
`.onAttach()` or `.onLoad()` function, typically defined in R/zzz.R
.onAttach <- function(...) {
packageStartupMessage("MY PACKAGE IS MORE IMPORTANT THAN YOUR PACKAGE!!")
}
As a developer you can't suppress messages from other packages (so you should
make your message really big so that it can't be missed!). You can avoid
Depend:ing or Import:ing packages that have messages, which might be a
particularly good idea if the package provides minimal functionality for your
own package.
The message below comes about because two packages R.oo and R.methodsS3 are
both loaded directly or indirectly by your package, and they both define
methods throw.default; this seems pretty strange to me, especially since both
packages are written by the same person (who sometimes reads this list so might
respond with a rational explanation)!
As a user you can
suppressPackageStartupMessages({
library(...)
library(...)
}
Martin
On 4/23/19, 3:04 PM, "Bioc-devel on behalf of Arman Shahrisa"
<bioc-devel-boun...@r-project.org on behalf of shahrisa.ar...@hotmail.com>
wrote:
I�m the maintainer of package �cbaf�. I use roxygen2 for documentation.
If I want a message to be printed when the user loads my package with
library(), what should I do?
I also have another question. When I load my package, a message is printed
in console:
> Registered S3 method overwritten by 'R.oo':
> method from
> throw.default R.methodsS3
How can I prevent this?
Best regards,
Arman
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