An XARGS question
Philip Walden
pwaldenlinux at pacbell.net
Tue Jul 18 19:49:33 UTC 2006
Michael Yep wrote:
>Hello
>
>Is there a way to have xargs or perhaps another tool take a list from
>stdin and put it somewhere besides the last argument?
>
>Say if i want to get all the offending IPs (bad logins) for a given day
>then i want to take that list and see if its in a file called blacklist
>
>lastb -ai |fgrep "Jul 18" |awk '{print $10 }'|sort|uniq | xargs grep ???
>blacklist
>
>where ??? would be where the stdin goes
>
>
>
lastb -ai |fgrep "Jul 18" |awk '{print $10 }'|sort|uniq | xargs
--max-args=1 -i\?\?\? grep \?\?\? blacklist
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