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#' S3method print backLinks
#'
#' @description S3method to print backLinksClass objects, results of the backLinks function
#'
#' @param x the backLinksClass object, result of the backLinks function
#' @param maxprint the maximal number of pages to print
#' @param ... others parameters
#'
#' @method print backLinksClass
#' @seealso backLinks
#'
#' @author Avner Bar-Hen, Louise Baschet, Francois-Xavier Jollois, Jeremie Riou
#'
#'
#' @export
#'
print.backLinksClass <-function(x, maxprint = 10,...)
{
if(class(x)!="backLinksClass") stop("The argument Object must be a class backLinksClass")
cl <- x$call
if (!is.null(cl)){
cat("Call:\n")
dput(cl)
cat("\n")
}
if(any(names(x)=="page"))
{
cat("Page title:", x$page[1],"\n")
cat("Page id:", x$page[2],"\n")
cat("Domain:", x$page[3],"\n")
cat("\n")
if(any(names(x)=="backLinks"))
{
cat("Total number of back links:",nrow(x$backLinks))
cat("\n")
cat("List of back links :","\n")
nbprint <- min(maxprint,nrow(x$backLinks))
print(x$backLinks[1:nbprint,])
if(nbprint <nrow(x$backLinks) ) {cat("... last",nrow(x$backLinks) -maxprint,"pages not printed")}
}
else{cat("0 back link")}
cat("\n")
} # end if the page exists
}
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