#' Search Wikipedia
#' @description Improve your workflow by searching Wikipedia directly from the console without having to switching to the browser and
#' opening a new tab first.
#' @param search_terms Search terms encapsulated in " ".
#' @param lang In which language Wikipedia should be accessed. One of c("en", "de", "es" "fr") for English, German, Spanish and French, respectively.
#' @keywords wikipedia internet workflow
#' @examples
#' wikipedia("my search terms")
#' wp("my search terms")
#' @export
wikipedia <- function(search_terms, lang = c("en", "de", "es", "fr")) {
if (missing(search_terms)) {
message("Opening Wikipedia in browser")
browseURL(paste0("https://www.wikipedia.org"))
}
else {
if (missing(lang)) {
lang <- Sys.getenv("LANG")
}
# if system language contains "en" use English Wikipedia version
if (grepl("en", lang)) {
message("Opening Wikipedia search for \"", search_terms, "\" in browser")
browseURL(paste0("https://en.wikipedia.org/w/index.php?search=", URLencode(search_terms)))
}
# if system language contains "de" use German Wikipedia version
else if (grepl("de", lang)) {
message("\u00D6ffne Wikipedia Suche f\u00FCr \"", search_terms, "\" im Browser")
browseURL(paste0("https://de.wikipedia.org/w/index.php?search=", URLencode(search_terms)))
}
# if system language contains "es" use Spanish Wikipedia version
else if (grepl("es", lang)) {
message("Abriendo b\u00FAsqueda de Wikipedia \"", search_terms, "\" en browser")
browseURL(paste0("https://es.wikipedia.org/w/index.php?search=", URLencode(search_terms)))
}
# if system language contains "fr" use French Wikipedia version
else if (grepl("fr", lang)) {
message("Ouvrir Wikipedia recherche pour \"", search_terms, "\" en navigateur")
browseURL(paste0("https://fr.wikipedia.org/w/index.php?search=", URLencode(search_terms)))
}
# if "lang" is not specified and default system language is not
# English, German, Spanish or French, use the English version
else {
message("Opening Wikipedia search for \"", search_terms, "\" in browser")
browseURL(paste0("https://en.wikipedia.org/w/index.php?search=", URLencode(search_terms)))
}
}
}
#' @export
#' @rdname wikipedia
wp <- wikipedia
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