Re: sort -u -n error : sort v 4.5.3

[Andreas Schwab]

Will Smith <address@hidden> writes:

> Sort : the -u (unique) and  -n (numeric) options seem to clash, removing too 
> many lines.
>
>
> address@hidden data]# cat /tmp/new_spammers
> 64.202.165.132
> 64.202.165.131
> 64.202.165.133
[...]
> address@hidden data]# sort -u -n < /tmp/new_spammers
> 64.202.165.132

Not a bug: all three lines have the same sort key, namely the number
64.202, the rest of the sort field is ignored.  You probably want to split
the line on the period and treat each whole number as a separate sort key:

$ sort -t. -u -n -k1,1 -k2,2 -k3,3 -k4,4 < /tmp/new_spammers

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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