Renames images according to their date

date-images.sh

#!/bin/bash
# 
# Image renaming script, requires exiftool

for f in "${1%/}"/*.{jpg,jpeg}
do
    if [ -f "$f" ]
    then
        echo "Preparing $f"
        filename=$(basename "$f")
        dirname=$(dirname "$f")
        newname=$(exiftool -createdate "$f" | grep -o '[0-9:]*\s[0-9:]*$' | sed 's/[^0-9]/-/g')
        echo "Completed $dirname/$newname.jpg"
        mv "$f" "$dirname/$newname.jpg"
    fi
done