Thank you for opening this bug and helping make Ubuntu better. This does not seem to be a bug but rather one or more wrong expectations:
1. the default field separator for 'sort' is a space; there are no spaces in the data you provided 2. you are running under the en_US.UTF-8 locale; 'sort' output may be affected by the locale in use (see [1]) 3. you did not specify a filed to sort on, so 'sort' will use the whole line as a key. 4. you did not specify the field separator. For your 'fails' dataset, I run sort as: sort -k1,1 -t: fails foo:2 foo1:3 Which seems to be what you expected. Please see 'info sort' for the full documentation of the utility. I am closing this bug as INVALID (not a bug). Please re-open if you do not agree with it. [1] http://www.gnu.org/software/coreutils/faq/coreutils-faq.html#Sort- does-not-sort-in-normal-order_0021 ** Changed in: coreutils (Ubuntu) Importance: Undecided => Low ** Changed in: coreutils (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1152622 Title: Sort fails to sort To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/1152622/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs