| 1 |
On Mon, 12 Jun 2006 20:39:20 +0200, Alan McKinnon wrote: |
| 2 |
|
| 3 |
> If /etc/hosts has these lines: |
| 4 |
> 127.0.0.1 localhost |
| 5 |
> 127.0.0.1 localhost |
| 6 |
> uniq will see these as different even though they are actually the |
| 7 |
> same entry. So he needs something like tr to squash spaces. This will |
| 8 |
> do it (as root): |
| 9 |
> |
| 10 |
> cat /etc/hosts | tr -s ' ' | sort | uniq -i > /etc/hosts.new |
| 11 |
|
| 12 |
sort -u -k1,1 /etc/hosts >/etc/hosts.new |
| 13 |
|
| 14 |
avoids the need to use cat, uniq or tr. -k1,1 sorts on the first field |
| 15 |
(space delimited) and -u remove lines where the sort field is the same. |
| 16 |
|
| 17 |
|
| 18 |
-- |
| 19 |
Neil Bothwick |
| 20 |
|
| 21 |
Please rotate your phone 90 degrees and try again. |
Archives