this appears to work on my setup.
sort --key=3.4 -b -n < log
produced this (from a slightly modified logfile).
20110905-000313 761 cmd9 - Command:
20110905-000113 804 cmd10 - Host:/127.0.0.1 closed command interface
from port: 57052
20110905-000108 766 cmd185 - Response: 201 Service ready
20110905-000107 803 cmd1853 - Host:/127.0.0.1 opened command interface
from port: 54365
20110905-000108 766 cmd1853 - Response: 201 Service ready
20110905-000108 804 cmd1853 - Host:/127.0.0.1 closed command interface
from port: 54365
20110905-000108 761 cmd1854 - Command:
20110905-000108 803 cmx1854 - Host:/127.0.0.1 opened command interface
from port: 57052
20110905-000313 766 cmd1856 - Response: 201 Service ready
20110905-000313 766 cmd1858 - Response: 201 Service ready
--
nev
On 06/09/11 13:35, Mark Rogers wrote:
> I have a log file which looks like this:
> 20110905-000107 803 cmd1853 - Host:/127.0.0.1 opened command interface
> from port: 54365
> 20110905-000108 761 cmd1854 - Command:
> 20110905-000108 766 cmd1853 - Response: 201 Service ready
> 20110905-000108 766 cmd1854 - Response: 201 Service ready
> 20110905-000108 803 cmd1854 - Host:/127.0.0.1 opened command interface
> from port: 57052
> 20110905-000108 804 cmd1853 - Host:/127.0.0.1 closed command interface
> from port: 54365
> 20110905-000113 804 cmd1854 - Host:/127.0.0.1 closed command interface
> from port: 57052
> 20110905-000313 761 cmd1858 - Command:
> 20110905-000313 766 cmd1856 - Response: 201 Service ready
> 20110905-000313 766 cmd1858 - Response: 201 Service ready
>
> I want to sort it in numeric order on the cmd value. Note that the cmd
> number isn't always 4 digits and I want cmd9 to appear before cmd10, etc.
>
> Can I do this with sort?
>
> I've seen examples that suggest that something along the lines of
> sort -n -k3.4
> .. would do it but I can't get it working in any of the various
> permutations I've tried.
>