grep -ri copyright . | grep -v fprintf | cut -f 1 -d : | uniq > copy-full-list

grep -ri copyright . | grep " XORP, Inc." | cut -f 1 -d : | uniq > copy-XORP
grep -ri copyright . | grep " Martin C. Shepherd" | cut -f 1 -d : | uniq > copy-Martin_C_Shepherd
grep -ri -C2 copyright . | grep "Free Software Foundation, Inc." | grep ":" | cut -f 1 -d : | sort -u > copy-FSF1
grep -ri -C2 copyright . | grep "Free Software Foundation, Inc." | grep "-" | cut -f 1 -d - | sort -u > copy-FSF2
grep -ril "Free Software Foundation" . > copy-FSF3
grep -ri copyright . | grep " Massachusetts Institute of Technology" | cut -f 1 -d : | uniq > copy-MIT
grep -ri copyright . | grep " Huawei Technologies" | cut -f 1 -d : | uniq > copy-Huawei
grep -ri -C2 copyright . | grep "The Regents of the University of California" | grep "-" | cut -f 1 -d - | sort -u > copy-California
grep -ri copyright . | grep "Microsoft Corporation" |  cut -f 1 -d : | sort -u > copy-Microsoft
grep -ri copyright . | grep "Leslie Lamport" |  cut -f 1 -d : | sort -u > copy-Lamport
grep -ri copyright . | grep "Laurent Jacques" |  cut -f 1 -d : | sort -u > copy-Jacques
grep -ri copyright . | grep "Peter R. Wilson" |  cut -f 1 -d : | sort -u > copy-Wilson
grep -ri copyright . | grep "Dug Song" |  cut -f 1 -d : | sort -u > copy-Song
grep -ri -C2 copyright . | grep "YOID Project" |  cut -f 1 -d - | sort -u > copy-YOID
grep -ri copyright . | grep "University College London" |  cut -f 1 -d : | sort -u > copy-London
grep -ri copyright . | grep "Todd C. Miller" |  cut -f 1 -d : | sort -u > copy-Miller
grep -ri copyright . | grep "Internet Software Consortium" |  cut -f 1 -d : | sort -u > copy-Intsoft
grep -ri copyright . | grep "Winning Strategies, Inc" |  cut -f 1 -d : | sort -u > copy-Winning
grep -ri -C2 copyright . | grep "University of Southern California" | grep "-" | cut -f 1 -d - | sort -u > copy-SouthernCal
grep -ri copyright . | grep " Matthew Wilson and Synesis Software" | cut -f 1 -d : | sort -u > copy-Mathew

sort copy-*  | uniq -c | grep " 1 " | cut -f 8- -d " " | xargs grep -i -C2 copyright | less