Count summary statistics among git repositories in the child directories. Just run it with `./gitstat.sh yourname@example.com`

farewell.sh

DIRECTORY=.
WORKING_DIR=$PWD
TMP="$WORKING_DIR/commits"
echo "" > commits
i=0
NAME=$1

echo "Counting stats for $NAME"

for d in $DIRECTORY/*; do
    if [ -d "$WORKING_DIR/$d/.git" ]
        then
            cd $WORKING_DIR/$d
            echo $d
            VAR=`git log --shortstat --author="$NAME" | grep -E "fil(e|es) changed"`
            echo "$VAR" >> $TMP
            i=$((i+1))
    fi
done

echo "Projects: $i"
cat $TMP | awk '{files+=$1; inserted+=$4; deleted+=$6; delta+=$4-$6} END {printf "Commit stats:\n- Files changed (total)..  %s\n- Lines added (total)....  %s\n- Lines deleted (total)..  %s\n- Total lines (delta)....  %s\n- Add./Del. ratio (1:n)..  1 : %s\n", files, inserted, deleted, delta, deleted/inserted }' -

rm $TMP