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Make sort-numeric-fields resilient towards blank lines

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* lisp/sort.el (sort-numeric-fields): Don't signal an error on
blank lines (bug#31800).
This commit is contained in:
Lars Ingebrigtsen 2022-02-03 20:33:58 +01:00
parent e3516ec28f
commit 2ded593875
1 changed files with 24 additions and 19 deletions
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43
lisp/sort.el
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@ -286,25 +286,30 @@ FIELD, BEG and END. BEG and END specify region to sort."
(interactive "p\nr")
(let ;; To make `end-of-line' and etc. to ignore fields.
((inhibit-field-text-motion t))
(sort-fields-1 field beg end
(lambda ()
(sort-skip-fields field)
(let* ((case-fold-search t)
(base
(if (looking-at "\\(0x\\)[0-9a-f]\\|\\(0\\)[0-7]")
(cond ((match-beginning 1)
(goto-char (match-end 1))
16)
((match-beginning 2)
(goto-char (match-end 2))
8)
(t nil)))))
(string-to-number (buffer-substring (point)
(save-excursion
(forward-sexp 1)
(point)))
(or base sort-numeric-base))))
nil)))
(sort-fields-1
field beg end
(lambda ()
;; Don't try to parse blank lines (they'll be
;; sorted at the start).
(if (looking-at "[\t ]*$")
0
(sort-skip-fields field)
(let* ((case-fold-search t)
(base
(if (looking-at "\\(0x\\)[0-9a-f]\\|\\(0\\)[0-7]")
(cond ((match-beginning 1)
(goto-char (match-end 1))
16)
((match-beginning 2)
(goto-char (match-end 2))
8)
(t nil)))))
(string-to-number (buffer-substring (point)
(save-excursion
(forward-sexp 1)
(point)))
(or base sort-numeric-base)))))
nil)))
;;;;;###autoload
;;(defun sort-float-fields (field beg end)