git 統計一段時間內的代碼行數，包括文件格式過濾

git log --author=liuyufeng --since=2020-03-07 --until=2020-03-13 --format='%aN' | sort -u | while read name; do echo -en "$name\t"; git log --author="$name" --pretty=tformat: --n
umstat | grep "\(|.c++\|.h\|.pro\)$" | awk '{ add += $1; subs += $2; loc += $1 - $2 } END { printf "added lines: %s, removed lines: %s, total lines: %s\n", add, subs, loc }' -; don
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