I understand that uniq would work in this particular instance. The
bigger question is why does
sed -e 's/ALL:211\.94\.73\.199//2' /etc/hosts.deny
not work the way the documentation says it will?
-Daniel
On 12/14/06, Paul Seamons <[EMAIL PROTECTED]> wrote:
The other replies will work well - but what if you want it to stay in order?
Then here is a short perl line.
[EMAIL PROTECTED] lib]$ echo "foo
foo
bar
foo
bar
bing" | perl -ne 'print if ! $used{$_}++'
foo
bar
bing
And if you only want to deal with lines with ips - then you could do
cat /etc/hosts.deny | perl -ne 'print if ! /^ALL:(\S+)/ || ! $used{$1}++'
Paul
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