set-months

#!/bin/bash

if [ $# -eq 0 ]
  then
    echo "Usage: set-months.sh YEAR"
fi


export YEAR=$1

exiftool -overwrite_original "-alldates=${YEAR}:01:01 15:00:00" *JANUARY.jpg
exiftool -overwrite_original "-alldates=${YEAR}:02:01 15:00:00" *FEBRUARY.jpg
exiftool -overwrite_original "-alldates=${YEAR}:03:01 15:00:00" *MARCH.jpg
exiftool -overwrite_original "-alldates=${YEAR}:04:01 15:00:00" *APRIL.jpg
exiftool -overwrite_original "-alldates=${YEAR}:05:01 15:00:00" *MAY.jpg
exiftool -overwrite_original "-alldates=${YEAR}:06:01 15:00:00" *JUNE.jpg
exiftool -overwrite_original "-alldates=${YEAR}:07:01 15:00:00" *JULY.jpg
exiftool -overwrite_original "-alldates=${YEAR}:08:01 15:00:00" *AUGUST.jpg
exiftool -overwrite_original "-alldates=${YEAR}:09:01 15:00:00" *SEPTEMBER.jpg
exiftool -overwrite_original "-alldates=${YEAR}:10:01 15:00:00" *OCTOBER.jpg
exiftool -overwrite_original "-alldates=${YEAR}:11:01 15:00:00" *NOVEMBER.jpg
exiftool -overwrite_original "-alldates=${YEAR}:12:01 15:00:00" *DECEMBER.jpg



for MONTH in JANUARY JAN FEBRUARY FEB MARCH MAR APRIL APR MAY JUNE JUN JULY JUL AUGUST AUG SEPTEMBER SEP SEPT OCTOBER OCT NOVEMBER NOV DECEMBER DEC; do
	regex_pattern="${MONTH} ([0-9]+).jpg"
	find . -name "*${MONTH} [0-9]*.jpg" | while read line; do
		if [[ $line =~ $regex_pattern ]]; then
			#echo "$line"
			#echo "${BASH_REMATCH[1]}"
			DAY="${BASH_REMATCH[1]}"
			NMONTH=$(gdate --date="$(printf "01 %s" "01 ${MONTH}")" +"%m")
			#echo "$NMONTH"
			if [[ $DAY -lt 32 ]]; then
				exiftool -overwrite_original "-alldates=${YEAR}:${NMONTH}:${DAY} 15:00:00" "$line"
			else
				echo "  ERROR: Invalid date"
				echo "$line"
			fi
		fi
	done
done