firstandlast.sh

echo -n > /tmp/committers-to-project
for project in Project1 Project2; do
    cd ~/casper/$project && git log --date=short --pretty="%ad %s" >> /tmp/committers-to-project
done

sort /tmp/committers-to-project > /tmp/committers-to-project-sorted

for person in Name1 Name2; do
    echo $person
    grep $person /tmp/committers-to-project-sorted | sed -n '1p;$p' | sed 's/ .*$//g'
done