Copy emails to directory year/month/day

copy-eml-date-dir.sh

#!/bin/bash
SRC=/path/to/eml/src
DEST=/path/to/eml/dest
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
cd "$SRC"
for file in $(find -type f -name "*.eml")
do
	EMAILDATE=$(grep -m 1 "^Date: " < "$file" | sed -e "s/Date://g")	
	y=$(date --date="$EMAILDATE" +%Y)
	m=$(date --date="$EMAILDATE" +%m)
	d=$(date --date="$EMAILDATE" +%d)
	[ -d "$DEST/$y/$m/$d" ] || mkdir -p "$DEST/$y/$m/$d"
	cp "$file" "$DEST/$y/$m/$d/"
done
IFS=$SAVEIFS