Thank you for your response. Unfortunately, this is *not* a bug in sort.
What happens is that the locale affects sorting order: some countries
have decided -- e.g., the US -- that sort should order in dictionary
order, *not* in collating sequence order. Please see
http://www.gnu.org/software/coreutils/faq/coreutils-faq.html#Sort-does-
not-sort-in-normal-order_0021.
As such, I am closing this bug INVALID (i.e., not a bug).
Unfortunately, I do not have a 9.10 available to verify, but on Lucid
(soon-to-be 10.04 LTS), 'man sort' has this warning:
"*** WARNING *** The locale specified by the environment affects sort
order. Set LC_ALL=C to get the traditional sort order that uses native
byte values.". Please also note that the man page for sort has an
abridged documentation; the full documentation for sort, and all of
cureutils is available under 'info':
info coreutils '<utility> invocation'
Replacing <utility> by the appropriate name.
** Changed in: coreutils (Ubuntu)
Status: Incomplete => Invalid
** Description changed:
Binary package hint: coreutils
Description: Ubuntu 9.10
Release: 9.10
- coreutils:
- Installed: 7.4-2ubuntu1
- Candidate: 7.4-2ubuntu1
- Version table:
- *** 7.4-2ubuntu1 0
- 500 http://us.archive.ubuntu.com karmic/main Packages
- 100 /var/lib/dpkg/status
+ karmic/main Packages
I ran 'sort' on the following lines of data:
EAS18:1:1:100:1001:557:0/2
EAS18:1:1:100:100:1572:0/1
EAS18:1:1:100:1001:572:0/1
EAS18:1:1:100:100:1572:0/2
EAS18:1:1:100:1001:572:0/2
EAS18:1:1:100:1001:578:0/1
EAS18:1:1:100:1001:578:0/2
and expected to get a lexicographically sorted version of them but got
exactly those in this order. In fact this is the core of a bug in a
scientific project.
By checking the GNU sort website, I realized that the problem is solved
if I set LC_ALL=C. But please do fix this in Ubuntu as it is gravely
misleading because currently sort almost sorts!!! This is more dangerous
than not sorting at all.
+
+ WORKAROUND:
+
+ (not really a workaround, but how to get 'sort' to order in
+ lexigraphical order)
+
+ *** WARNING *** The locale specified by the environment affects sort
+ order. Set LC_ALL=C to get the traditional sort order that uses native
+ byte values. See http://www.gnu.org/software/coreutils/faq/coreutils-
+ faq.html#Sort-does-not-sort-in-normal-order_0021
--
Output of sort is not lexicographically sorted
https://bugs.launchpad.net/bugs/568213
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