[CentOS] sorting a file

[Stephen Harris]

On Fri, Apr 03, 2009 at 11:50:46AM +0100, Tom Brown wrote:
> I need to find out how many times an IP address appears in a file - the 
> IP is the first field in the access log string so what would be the best 
> way to sort this file and count how many times each IP address appears ?

Depends on what the seperator is between the columns.  If it's a space
(as with httpd logs) then
  cut -d' ' -f1 FILE | sort | uniq -c | sort -n


-- 

rgds
Stephen