S3_BUCKET="버킷"S3_PREFIX="sever-log/$(hostname)/$(date -d '-1 day' +%Y)/$(date -d '-1 day' +%m)/$(date -d '-1 day' +%d)/"LOG_PATH="/var/log/"LOG_EXTENSION="$(date -d '-1 day' +%Y%m%d)"today=$(date +%Y%m%d)log_files=$(find $LOG_PATH -maxdepth 1 -name "*$LOG_EXTENSION*")for log_file in $log_files; do cksum $log_file > "$log_file.cksum" new_filename="${LOG_EXTENSION}_$(basename $log_file)" ..