[CentOS] sorting a file

John Doe jdmls at yahoo.com
Fri Apr 3 11:07:53 UTC 2009

> From: Tom Brown 
> > 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 ?
> grep "^IP " | wc -l

Oops, replied too quickly... missed the 'each IP'
go for Stephen solution  ^_^



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