Function: idlwave-shell-repair-file-name

idlwave-shell-repair-file-name is a byte-compiled function defined in idlw-shell.el.gz.

Signature

(idlwave-shell-repair-file-name FILE)

Documentation

Repair a file name string by taking out all linebreaks.

The last line of STRING may be garbage - we check which one makes a valid file name.

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/idlw-shell.el.gz
(defun idlwave-shell-repair-file-name (file)
  "Repair a file name string by taking out all linebreaks.
The last line of STRING may be garbage - we check which one makes a valid
file name."
  (let ((file1 "") (file2 "") (start 0))
    ;; We scan no further than to the next "^%" line
    (if (string-match "^%" file)
	(setq file (substring file 0 (match-beginning 0))))
    ;; Take out the line breaks
    (while (string-match "[ \t]*\n[ \t]*" file start)
      (setq file1 (concat file1 (substring file start (match-beginning 0)))
	    start (match-end 0)))
    (setq file2 (concat file1 (substring file start)))
    (cond
     ((file-regular-p file2) file2)
     ((file-regular-p file1) file1)
     ;; If we cannot verify the existence of the file, we return the shorter
     ;; name.  The idea behind this is that this may be a relative file name
     ;; and our idea about the current working directory may be wrong.
     ;; If it is a relative file name, it hopefully is short.
     ((not (string= "" file1)) file1)
     ((not (string= "" file2)) file2)
     (t nil))))