Nothing
.onAttach <- function(...){
# adapted from http://thecoatlessprofessor.com/programming/automatically-check-if-r-package-is-the-latest-version-on-package-load/. Thank you!
# Avoid running if in batch job / user not present
if (!interactive()) return()
# Obtain the installed package information
local_version = utils::packageDescription('camtrapR')
# Grab the package information from CRAN
cran_version = .pkgVersionCRAN("camtrapR") # function defined in "variousOtherHelperFunctions.R"
# Verify we have package information
if(!is.null(cran_version) && length(cran_version) != 0L){
latest_version = utils::compareVersion(cran_version, local_version$Version)
d = if(latest_version == 0){
'CURRENT'
}else if(latest_version == 1){
'OUT OF DATE'
}else{
'DEVELOPMENT'
}
}else{ # Gracefully fail.
d2 = "cannot connect to CRAN for package version check"
latest_version = 0
}
# Use packageStartUpMessages() so that folks can suppress package messages with
# suppressPackageStartupMessages(library(pkg))
if(exists("d")) packageStartupMessage('This is camtrapR ', local_version$Version, ' (', d,')') # built on ', local_version$Date)
if(exists("d2")) packageStartupMessage('This is camtrapR ', local_version$Version, ' (', d2,')') # built on ', local_version$Date)
if(latest_version == 1){
packageStartupMessage('\n NEW VERSION AVAILABLE ONLINE: ', cran_version , ' !')
packageStartupMessage('Download it from CRAN via: install.packages("camtrapR")\n')
}
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.