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 $ wget -O - http://placekitten.com/$[500 + RANDOM % 500] | lp

July 26, 2013, 11:43 p.m.openiduser104

Explanation

$RANDOM gives a random number.

http://placekitten.com is your cat place

wget -O - sends the output to stdout

lp prints

Limitations

Tested on OSX

Cat rules