Minor changes to pass build tests on R devel machines

.Rbuildignore

@@ -0,0 +1,6 @@
+^.*\.Rproj$
+^\.Rproj\.user$
+^tex2pdf.*$
+^LICENSE$
+^.*\.png$
+^.*gz$

.gitignore

@@ -0,0 +1,6 @@
+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
+tex2pdf.17640
+tex2pdf.24316

DESCRIPTION

@@ -1,14 +1,14 @@
 Package: packagefinder
 Type: Package
 Title: Comfortable Search for R Packages on CRAN Directly from the R Console
-Version: 0.1.2
+Version: 0.1.4
 Authors@R: person("Joachim", "Zuckarelli", role = c("aut", "cre"), email = "joachim@zuckarelli.de", comment = c(ORCID = "0000-0002-9280-3016"))
 Maintainer: Joachim Zuckarelli <joachim@zuckarelli.de>
 Description: Search for R packages on CRAN directly from the R console, based on the packages' titles, short and long descriptions, or other fields. Combine multiple keywords with logical operators ('and', 'or'), view detailed information on any package and keep track of the latest package contributions to CRAN.
 License: GPL-3
 Encoding: UTF-8
 BugReports: https://github.com/jsugarelli/packagefinder/issues
-URL: https://github.com/jsugarelli/packagefinder/
+URL: https://github.com/jsugarelli/packagefinder/, http://www.zuckarelli.de/packagefinder/tutorial.html, https://www.youtube.com/watch?v=66Mes6_hYno
 Repository: CRAN
 LazyData: true
 Imports: httr, utils, jsonlite, pander, formattable, stringr, crayon, lubridate, tidyr

R/packagefinder.r

@@ -21,6 +21,7 @@
 #'}
 #'\item packagefinder \strong{introduction}: \href{http://www.zuckarelli.de/packagefinder/tutorial.html}{A Quick Tutorial}
 #'\item packagefinder on \strong{GitHub}: \href{https://github.com/jsugarelli/packagefinder}{https://github.com/jsugarelli/packagefinder}
+#'\item packagefinder video tutorial on \strong{YouTube}: \href{https://www.youtube.com/watch?v=66Mes6_hYno}{https://www.youtube.com/watch?v=66Mes6_hYno}
 #'}
 #'
 #'@name packagefinder
@@ -30,16 +31,15 @@ NULL
 ###   PACKAGE PACKAGEFINDER
 ###
 ###   Author and maintainer: Joachim Zuckarelli (joachim@zuckarelli.de)
-###   Version 0.1.1
+###   Version 0.1.4
 ###
 
 
 
 .onAttach <- function(libname, pkgname){
-  packageStartupMessage(crayon::blue(crayon::bold("\npackagefinder"), "version 0.1.1\n\n"))
+  packageStartupMessage(crayon::blue(crayon::bold("\npackagefinder"), "version 0.1.4\n\n"))
   packageStartupMessage(crayon::green("Getting started:\n\n"))
   packageStartupMessage(crayon::silver("* Use", crayon::cyan("findPackage(keywords, mode)"), "to search CRAN for packages, e.g.",crayon::italic("findPackage(c(\"meta\",\"regression\"), \"and\")\n\n")), sep="")
-  packageStartupMessage(crayon::silver("* Use the operators", crayon::cyan("p?\"term1 term2 ...\""), "or", crayon::cyan("po?\"term1 term2 ...\""), "to search CRAN for packages in OR mode, use", crayon::cyan("pa?\"term1 term2 ...\""), "to search in AND mode, e.g.",crayon::italic("pa?\"meta regression\""),".\nDo not forget to use the quoation marks, even with one search term.\n\n"), sep="")
   packageStartupMessage(crayon::silver("* Use", crayon::cyan("exploreFields(fields, term)"),"to search a term in the specified fields, e.g.", crayon::italic("exploreFields(c(\"Package\", \"Title\"), \"logistic\")\n\n")), sep="")
   packageStartupMessage(crayon::silver("* Use", crayon::cyan("whatsNew()"),"to check for new packages on CRAN.\n\n"), sep="")
 
@@ -112,7 +112,7 @@ makeIndexAvailable <- function(address) {
 #' @author Joachim Zuckarelli \email{joachim@@zuckarelli.de}
 #'
 #' @examples
-#' index <- buildIndex(filename = file.path(tempdir(), "searchindex.rdata"), download.stats = FALSE)
+#' \donttest{ index <- buildIndex(filename = file.path(tempdir(), "searchindex.rdata"), download.stats = FALSE) }
 #'
 #' @import tools
 #' @export
@@ -322,7 +322,7 @@ findPackage<-function(keywords, mode = "or", case.sensitive = FALSE, always.sens
 #' @description Searches for packages on CRAN by scanning a specified set of information fields for a user-provided search term.
 #'
 #' @param term Search term to look for; character vector must have one element.
-#' @param fields The list of fields to be scanned for the search term; must be a character vector with one or more field names. Allowed field names are: \code{"Name"}, \code{"Description"}, \code{"LongDescription"}, \code{"Maintainer"}, \code{"Authors\@R"}, \code{"Author"}, \code{"License"}, \code{"Imports"}, \code{"Enhances"}, \code{"Depends"}, \code{"Suggests"}, \code{"Reverse depends"}, \code{"Reverse suggests"}, \code{"Reverse enhances"}, \code{"Copyright"}, \code{"Contact"}, \code{"Note"}, \code{"MailingList"}.
+#' @param fields The list of fields to be scanned for the search term; must be a character vector with one or more field names. Allowed field names are: \code{"Name"}, \code{"Description"}, \code{"LongDescription"}, \code{"Maintainer"}, \code{"Authors@R"}, \code{"Author"}, \code{"License"}, \code{"Imports"}, \code{"Enhances"}, \code{"Depends"}, \code{"Suggests"}, \code{"Reverse depends"}, \code{"Reverse suggests"}, \code{"Reverse enhances"}, \code{"Copyright"}, \code{"Contact"}, \code{"Note"}, \code{"MailingList"}.
 #' @param mode Indicates whether matches in the field shall be combined with a logical OR or with a logical AND; accordingly, permitted values are \code{"or"} (default) and \code{"and"}. In \code{"or"} mode, every package that has the search term in any of the fields from \code{fields} generates a hit, in \code{"and"} mode the search term must be found in all fields provided to make that package a search hit.
 #' @param match Either \code{"like"} (default) or \code{"exact"}. Determines if the field content must match the search term exactly or only needs to contain it.
 #' @param display Describes where the search results shall be shown. Either \code{"viewer"} or \code{"console"}. If \code{"viewer"}, the results are shown as a formatted web page in the browser (or in RStudio's Viewer pane if the RStudio IDE is being used). If \code{results = "console"} the search results are shown as a text table in the R console.
@@ -335,7 +335,7 @@ findPackage<-function(keywords, mode = "or", case.sensitive = FALSE, always.sens
 #' @author Joachim Zuckarelli \email{joachim@@zuckarelli.de}
 #'
 #' @examples
-#' exploreFields("Hadley", c("Maintainer", "Authors@R", "Author"))
+#' \donttest{ exploreFields("Hadley", c("Maintainer", "Authors@R", "Author")) }
 
 #' @export
 exploreFields <- function(term, fields=c("Name", "Description", "LongDescription"), mode="or", match="like", display="viewer", index = NULL) {
@@ -650,7 +650,7 @@ packageElement <- function(field, value, bold.field=FALSE, bold.value=FALSE, lin
 #' @description Shows detailed CRAN information for a package.
 #'
 #' @param package Either the name of a package (capitalization does generally not matter) or the search result number shown in the results of \code{\link{findPackage}()} (the number in the \code{GO} column). Only one package is allowed here.
-#' @param brief If \code{"TRUE"}, only short an long description as well as the maintainer of the package are shown, otherwise all available fields are displayed.
+#' @param brief If \code{"TRUE"}, only title, short and long description as well as the maintainer of the package are shown, otherwise all available fields are displayed.
 #' @param show.tip If \code{"TRUE"}, tips for getting additional information on the package are shown.
 #' @param index Either a path (or URL) to a search index, or a search index that is already loaded. If no index is provided, \code{packageDetails()} creates an ad hoc search index.
 #'
@@ -660,7 +660,7 @@ packageElement <- function(field, value, bold.field=FALSE, bold.value=FALSE, lin
 #' @author Joachim Zuckarelli \email{joachim@@zuckarelli.de}
 #'
 #' @examples
-#' packageDetails("ggplot2")
+#' \donttest{ packageDetails("ggplot2") }
 #'
 #' @export
 packageDetails <- function(package, brief=FALSE, show.tip=TRUE, index=NULL) {
@@ -692,6 +692,7 @@ packageDetails <- function(package, brief=FALSE, show.tip=TRUE, index=NULL) {
         if(!is.na(searchindex$index$REVERSE.ENHANCES[go.num])) packageElement("Reverse enhances", searchindex$index$REVERSE.ENHANCES[go.num])
         if(!is.na(searchindex$index$NOTE[go.num])) packageElement("Note", searchindex$index$NOTE[go.num])
       }
+      if(!is.numeric(package)) package <- paste0("\"", package, "\"")
       if(show.tip == TRUE) cat(crayon::magenta(crayon::bold("\nTip:"), "Use", crayon::bold(paste0("go(", package,",\"manual\")")), paste0("to view the manual of package '", searchindex$index$NAME[go.num],"' and"), crayon::bold(paste0("go(", package,",\"website\")")), paste0("to visit its website (if any is provided).")),sep="")
     }
     else {