Calling library(..., quietly=TRUE) may still output: Loading required package: <other pkg>
in some cases, e.g. > library("R.utils", quietly=TRUE) Loading required package: R.methodsS3 [...] I traced this to base:::.getRequiredPackages2(), which forgets to pass 'quietly' to an internal library() call: if (!attached) { if (!quietly) packageStartupMessage(gettextf("Loading required package: %s", pkg), domain = NA) library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = lib.loc) || stop(gettextf("package %s could not be loaded", sQuote(pkg)), call. = FALSE, domain = NA) } It's from that library() call the message is generated. Here's a patch: $ svn diff src\library\base\R\library.R Index: src/library/base/R/library.R =================================================================== --- src/library/base/R/library.R (revision 68345) +++ src/library/base/R/library.R (working copy) @@ -871,7 +871,7 @@ packageStartupMessage(gettextf("Loading required package: %s", pkg), domain = NA) library(pkg, character.only = TRUE, logical.return = TRUE, - lib.loc = lib.loc) || + lib.loc = lib.loc, quietly = quietly) || stop(gettextf("package %s could not be loaded", sQuote(pkg)), call. = FALSE, domain = NA) } I can submit it via http://bugs.r-project.org/ if preferred. Thanks, Henrik ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel