Quake3 is a lot of code.

cjcollier@moonunit:~/src/svn/icculus/quake3/code$ find ./ | perl -e ‘my $sum = 0; while(){ chomp $_; next if $_ =~ m:/\.svn/:; next if -d $_; my @output = split(/ /, `wc -l $_`); my $numChars = $output[0]; $sum += $numChars; } print(“$sum\n”);’
356407