#' Hello, world!
#'
#' This is an example function named 'hello'
#' which prints 'Hello, world!'.
#'
#' @param message texto para impressao. default is empty.
#'
#' @return nada
#' @export
#'
#' @examples
#' hello()
#' hello("Hugo")
#' \dontrun{
#' ler_varios_csv("caminho-ate-pasta")
#' }
hello <- function(message="") {
tmp <- sprintf("Hello, %s, world!",message)
print(tmp)
return(tmp)
}
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