S3: sync last 7 days from bucket to local

-

#!/bin/bash

set -e

function get_include_string()
{
    local str=""
    for i in {7..0}
    do
        str+="--include \""
        str+=`date --date="$i days ago" +"*%Y/%m/%d/*"`
        str+="\" "
    done
    echo $str
}

S3_FOLDER=""
LOCAL_FOLDER=""
INCL_STR=$(get_include_string)
LOG_FILE=""

cmd="aws s3 sync $S3_FOLDER $LOCAL_FOLDER --delete --exclude \"*\" $INCL_STR 2>&1 >> $LOG_FILE"
eval $cmd

a.rb

aws s3 sync s3://<bucket> <local> --delete --include "`for i in {30..0}; do date --date="$i days ago" +"%Y/%m/%d"; done`"