List what I have done yesterday

myYesterdayLog.sh

rm /Users/zld/Dev/yk/ylog

print_log() {
    git log --since=yesterday.midnight --author=ZhuLida --pretty=format:%s | perl -pe '$_ .= "\n" unless /\n/' >> /Users/zld/Dev/yk/ylog
}

for repo in $(ls /Users/zld/Dev/yk/) /Users/zld/Dev/yk/24h/inke_ios
do
    cd $repo &> /dev/null
    print_log &> /dev/null
    cd /Users/zld/Dev/yk/ &> /dev/null
done

cat /Users/zld/Dev/yk/ylog