Function: dired--filename-with-newline-p
dired--filename-with-newline-p is a byte-compiled function defined in
dired.el.gz.
Signature
(dired--filename-with-newline-p)
Documentation
Check if a file name in this directory has a newline.
Return non-nil if at least one file name in this directory contains either a literal newline or the string "\\n").
Source Code
;; Defined in /usr/src/emacs/lisp/dired.el.gz
(defun dired--filename-with-newline-p ()
"Check if a file name in this directory has a newline.
Return non-nil if at least one file name in this directory contains
either a literal newline or the string \"\\n\")."
(save-excursion
(goto-char (point-min))
(catch 'found
(while (not (eobp))
(when (dired-move-to-filename)
(let ((fn (buffer-substring-no-properties
(point) (dired-move-to-end-of-filename))))
(when (or (memq 10 (seq-into fn 'list))
(string-search "\\n" fn))
(throw 'found t))))
(forward-line)))))