assemblymade/coderwall

git ls-files -z |
xargs -0 -n1 -E'\n' -J {} git blame --date short -wCMcp '{}' |
perl -pe 's/^.*?\((.*?) +\d{4}-\d{2}-\d{2} +\d+\).*/\1/' |
sort |
uniq -c |
sort -rn