[conspire] Puzzle: How do you sort IP address lists?

[Don Marti]

Alternate approach: 

tr '.' ' ' < address_list | xargs printf '%03d.%03d.%03d.%03d\n' \
| sort -u | sed -re 's/\b0+//g' ) < address_list

Another way would be to multiply each address out
into an int, sort, and re-format.

-- 
Don Marti                    
http://zgp.org/~dmarti/
dmarti at zgp.org