#!/bin/bash

WK_OFFSET=$1
WK_TOTAL=0
[[ -z ${WK_OFFSET} ]] && WK_OFFSET=0
DATE=$(gdate -d "last Monday - ${WK_OFFSET} weeks")
for date in $(gdate +%F -d "${DATE}") \
    $(gdate +%F -d "${DATE} + 1 day") \
    $(gdate +%F -d "${DATE} + 2 day") \
    $(gdate +%F -d "${DATE} + 3 day") \
    $(gdate +%F -d "${DATE} + 4 day") \
    $(gdate +%F -d "${DATE} + 5 day") \
    $(gdate +%F -d "${DATE} + 6 day"); do 

    echo $date

    if [[ -f ${date}.log ]]; then
        ./do_process $date | less
        daily_total=$(./do_process $date | grep -P "Grand total:" | grep -Po "\d+\.\d+")
        echo ${daily_total}
    else
        daily_total=0
        echo ${daily_total}
    fi

    echo
    #echo -n Press ENTER for ${date}...
    #read
    WK_TOTAL=$(bc <<< "scale=2; $WK_TOTAL + $daily_total")
done

echo "Weekly Total:  ${WK_TOTAL}"