count-code-4-special-user-since.sh

git log --author="chaofei" --pretty=tformat: --numstat --since ==2020-01.01| awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }' -