Thank you lonnie. We must have posted at the same time. All can
ignore my last post.
-Daniel
On 12/14/06, Daniel <[EMAIL PROTECTED]> wrote:
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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