V6 ed (the first in C) was around 1300 lines. http://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/source/s1/ed.c http://minnie.tuhs.org/cgi-bin/utree.pl?file=V6

V6 ed (the first in C) was around 1300 lines. http://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/source/s1/ed.c http://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/source/s... It won't build with a modern compiler, of course.