creates a bash function to remove certain lines from SSH known_hosts file

function sshdel { perl -i -n -e "print unless (\$. == $1)" ~/.ssh/known_hosts; }
sometimes you got conflicts using SSH (host changing ip, ip now belongs to a different machine) and you need to edit the file and remove the offending line from known_hosts. this does it much easier.
Sample Output
$ sshdel 30
< removes 30th line from the known_hosts file in ~/.ssh >

-1
By: xsawyerx
2009-02-03 16:20:50

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Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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