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sort.el, sort-columns
From: |
Richard Ryniker |
Subject: |
sort.el, sort-columns |
Date: |
Tue, 21 Feb 2006 10:12:20 -0500 |
In order to comply with the POSIX specifications, the "sort" command in
coreutils (version 5.93) has removed support for the "+...-" type of key
definition. This makes the "sort-columns" function from sort.el fail
when it uses this command.
The following modification to sort.el (version 1.52 from Savannah) uses
the "-k ..." type of definition that is understood by old and new
versions of the "sort" command.
--- sort.el_1.52 2006-02-21 08:24:35.000000000 -0500
+++ sort.el_1.52_RWR 2006-02-21 09:45:08.000000000 -0500
@@ -498,9 +498,13 @@
;; Do not use it if there are any non-font-lock properties
;; in the region, since the sort utility would lose the
;; properties.
+ ;; POSIX does not allow older sort programs' zero-origin,
+ ;; "+...-" key specification; use one-origin "-k" argument instead.
(let ((sort-args (list (if reverse "-rt\n" "-t\n")
- (concat "+0." (int-to-string col-start))
- (concat "-0." (int-to-string col-end)))))
+ (concat "-k 1."
+ (int-to-string (1+ col-start))
+ ",1."
+ (int-to-string (1+ col-end)) ) )))
(when sort-fold-case
(push "-f" sort-args))
(apply #'call-process-region beg1 end1 "sort" t t nil sort-args))
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