Hi all, I want to echo output to screen before next step, like the following when i type library(pkname),>library(pkname)a few description about the package ........> > >how should I do to get this? Thanks in advanced!!
Chun-Ying Lee wrote:> Hi all, > > I want to echo output to screen before next step, > like the following when i type library(pkname), > > >>library(pkname) > > > a few description about the package > ........ > > >> >> > > how should I do to get this??cat Uwe Ligges> Thanks in advanced!! > > > > ------------------------------------------------------------------------ > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
On Thu, 09 Feb 2006 10:02:49 +0100, Uwe Ligges wrote> Chun-Ying Lee wrote: > > Hi all, > > > > I want to echo output to screen before next step, > > like the following when i type library(pkname), > > > > > >>library(pkname) > > > > > > a few description about the package > > ........ > > > > > >> > >> > > > > how should I do to get this? > > ?catI know the use of "cat" but I mean that the description appear automatically when I type library(pkname)> > Uwe Ligges > > > Thanks in advanced!! > > > >
Chun-Ying Lee wrote:> On Thu, 09 Feb 2006 10:02:49 +0100, Uwe Ligges wrote > >>Chun-Ying Lee wrote: >> >>>Hi all, >>> >>> I want to echo output to screen before next step, >>>like the following when i type library(pkname), >>> >>> >>> >>>>library(pkname) >>> >>> >>>a few description about the package >>>........ >>> >>> >>> >>>> >>>how should I do to get this? >> >>?cat > > > I know the use of "cat" > > but I mean that the description appear automatically > when I type library(pkname)See ?.onAttach (or ?.First.lib if you do not use a NAMESPACE). Uwe Ligges> >>Uwe Ligges >> >> >>>Thanks in advanced!! >>> >>> > > > > ------------------------------------------------------------------------ > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
Is something like this what you want?> load_and_describe <- function(pkg) {+ eval(substitute(library(pkg))) + packageDescription(pkg) + }> load_and_describe("e1071")Package: e1071 Version: 1.5-12 Date: 2006-01-11 Title: Misc Functions of the Department of Statistics (e1071), TU Wien Depends: class Imports: graphics, stats Suggests: cluster, mlbench, nnet, randomForest, rpart, SparseM, xtable Author: Evgenia Dimitriadou, Kurt Hornik, Friedrich Leisch, David Meyer, and Andreas Weingessel Maintainer: Friedrich Leisch <Friedrich.Leisch at ci.tuwien.ac.at> Description: Functions for latent class analysis, short time Fourier transform, fuzzy clustering, support vector machines, shortest path computation, bagged clustering, naive Bayes classifier, ... License: GPL version 2. See COPYRIGHT.svm.cpp for the copyright of the svm C++ code. SaveImage: no LazyLoad: yes Packaged: Wed Jan 11 17:37:06 2006; leisch Built: R 2.2.1; i386-pc-mingw32; 2006-01-12 09:52:56; windows Andy From: Chun-Ying Lee> > On Thu, 09 Feb 2006 10:02:49 +0100, Uwe Ligges wrote > > Chun-Ying Lee wrote: > > > Hi all, > > > > > > I want to echo output to screen before next step, > > > like the following when i type library(pkname), > > > > > > > > >>library(pkname) > > > > > > > > > a few description about the package > > > ........ > > > > > > > > >> > > >> > > > > > > how should I do to get this? > > > > ?cat > > I know the use of "cat" > > but I mean that the description appear automatically > when I type library(pkname) > > > > > Uwe Ligges > > > > > Thanks in advanced!! > > > > > > > >