sed woes

Jeff Schroeder jeff at zingstudios.com
Thu Dec 14 10:58:14 MST 2006


Daniel wrote:

> I am trying to remove the second occurance of the match.

This seems like a better job for 'uniq', which will show only unique 
lines in a file.

# sort hosts.deny | uniq > hosts.deny.new

I typically run 'sort' before 'uniq' because it seems that uniq looks 
for repeated lines, and if you happen to have the same line in 
different places in the file it may not catch it as a duplicate.

HTH,
Jeff
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