Deleting files older from Dropbox than date with using ./dropbox_uploader.sh

dropbox_cleanup.sh

#!/bin/bash 

#
# Deleting files from dropbox with names like YYYY-MM-DD_blabla
#

if [ "$*" == "" ]; then
    echo "No arguments provided. Example usage: ./dropbox_cleanup.sh mydir '2 months' --dry-run"
    exit 1
fi

if [ "$1" == "" ]; then
    echo "No destination dir provided"
    exit 1
fi

if [ "$2" == "" ]; then
    echo "No limit time provided. Examples: '2 months', '1 day'"
    exit 1
fi

echo "Destination dir: $1"
echo "Limit: $2"

DEST_DIR="$1" # Dropbox backups base folder

# limit date to erase files
LIMIT_DATE=$(date --date="-$2" +%s) # date in seconds


# Retrieve the list of files
files=$(./dropbox_uploader.sh list $DEST_DIR | awk {' print $3 '} | tail -n +2)
#echo $files
# Process each file
for file in $files; do
    fileDate=$(echo $file | tr "_" "\t" | tr "." "\t" | awk {' print $1 '})

    # Retrieve file date in seconds
    fileDateInSeconds=$(date -d ${fileDate} +%s)

    # Erase the file if it exceeds the limit date
    #echo "[DEBUG] Comparing ${fileDateInSeconds} - ${LIMIT_DATE}"
    if [ ${fileDateInSeconds} -lt ${LIMIT_DATE} ]; then
        echo "[INFO] Erasing file $DEST_DIR/$file"
        if [ "$3" != "--dry-run" ]; then
            #echo "Deleted"
            ./dropbox_uploader.sh delete ${DEST_DIR}/${file}
        fi
    fi
done