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#' Split long lines
#'
#' This function splits long lines at a given number of characters,
#' keeping words intact. It's basically a wrapper around [strwrap()].
#'
#' @param x The string (e.g. a source)
#' @param length The maximum length
#' @param splitString The character to use to split lines.
#'
#' @return A character vector.
#' @export
#'
#' @examples cat(
#' rock::split_long_lines(
#' paste0(
#' "Lorem ipsum dolor sit amet, consectetur adipiscing elit. ",
#' "Vestibulum et dictum urna. Donec neque nunc, lacinia vitae ",
#' "varius vitae, pretium quis nibh. Aliquam pulvinar, lacus ",
#' "sed varius vulputate, justo nibh blandit quam, ",
#' "nec sollicitudin velit augue eget erat."
#' )
#' )
#' );
split_long_lines <- function(x,
length = 60,
splitString = rock::opts$get("utteranceMarker")) {
res <- strwrap(x, width=length);
res <- paste0(res, collapse=splitString);
return(res);
}
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