[R] how to remove all messages when loading a library ?

[Bert Gunter]

?? Dont you already have the answer: you must set warn.conflicts =
FALSE in all your library calls.


Cheers,
Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Sun, Sep 25, 2016 at 12:22 PM, Fabien Tarrade
<fabien.tarrade at gmail.com> wrote:
> Hi there,
>
> I would like to remove all messages when I load library (I fact I am using
> "require" and "install.packages"). I tried many options and look at the
> documentation for the 2 functions.
> For example I am using the following piece of code: init.R
>
> print("step 1")
> # Install library if not installed
> if (!require("plyr",quietly=TRUE,warn.conflicts=FALSE))
> suppressMessages(install.packages("plyr",quietly=TRUE))
> if (!require("dplyr",quietly=TRUE))
> suppressMessages(install.packages("dplyr",quietly=TRUE))
> if (!require("stringr",quietly=TRUE))
> suppressMessages(install.packages("stringr",quietly=TRUE))
> if (!require("readr",quietly=TRUE))
> suppressMessages(install.packages("readr",quietly=TRUE))
> if (!require("tidyr",quietly=TRUE))
> suppressMessages(install.packages("tidyr",quietly=TRUE))
> if (!require("XML",quietly=TRUE))
> suppressMessages(install.packages("XML",quietly=TRUE))
> if (!require("Rcpp",quietly=TRUE))
> suppressMessages(install.packages("Rcpp",quietly=TRUE))
> if (!require("rbenchmark",quietly=TRUE))
> suppressMessages(install.packages("rbenchmark",quietly=TRUE))
> if (!require("tiff",quietly=TRUE))
> suppressMessages(install.packages("tiff",quietly=TRUE))
> if (!require("xlsx",quietly=TRUE))
> suppressMessages(install.packages("xlsx",quietly=TRUE))
> if (!require("ROracle",quietly=TRUE))
> suppressMessages(install.packages("T:/CH/R/ROracle_1.2-2.zip", repos = NULL,
> type = "source",quietly=TRUE))
> print("step 2")
>
> and I run the code in this way:
>> source("./init.R",encoding =
>> "UTF-8",verbose=FALSE,echo=FALSE,print.eval=FALSE)
>
> and I get the following output that I don't manage to remove:
>
> [1] "step 1"
>
> Attache Paket: ‘dplyr’
>
> Die folgenden Objekte sind maskiert von ‘package:plyr’:
>
>     arrange, count, desc, failwith, id, mutate, rename, summarise, summarize
>
> Die folgenden Objekte sind maskiert von ‘package:stats’:
>
>     filter, lag
>
> Die folgenden Objekte sind maskiert von ‘package:base’:
>
>     intersect, setdiff, setequal, union
> [1] "step 2"
>
> What is the way to get no messages at all when loading library ? ( or using
> other R function in general).
> I am trying to keep only the important messages and so far I am getting way
> too much messages.
>
> Thanks
> Cheers
> Fabien
>
>
> --
> Dr Fabien Tarrade
>
> Quantitative Analyst/Developer - Data Scientist
>
> Senior data analyst specialised in the modelling, processing and statistical
> treatment of data.
> PhD in Physics, 10 years of experience as researcher at the forefront of
> international scientific research.
> Fascinated by finance and data modelling.
>
> Zurich, Switzerland
>
> Email : contact at fabien-tarrade.eu <mailto:contact at fabien-tarrade.eu>
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