A shell script to fetch Wii U crash logs through FTPiiU plugin. Requires wget and sed.

fetch-wiiu-crash-logs.sh

#!/bin/sh -e

# This script copies crash logs from a Wii U running Aroma with FTPiiU plugin.
# It depends on lftp command.

WIIU_ADDRESS=${1:-wiiu}

TEMP_PATH=$(mktemp -d)

if [[ -z "${TEMP_PATH}" ]]
then
    echo "failed to create temporary directory"
    exit 1
fi

function cleanup {      
  rm -rf "${TEMP_PATH}"
  echo "Deleted temp directory ${TEMP_PATH}"
}

trap cleanup EXIT


REMOTE_SYS="storage_slc/sys"

# obtain the console serial id
(cd "${TEMP_PATH}" && \
     lftp -c get "ftp://${WIIU_ADDRESS}/${REMOTE_SYS}/config/sys_prod.xml")

SYS_PROD_PATH="${TEMP_PATH}/sys_prod.xml"
SERIAL_ID=$(sed -rn \
                 's|[[:space:]]*<serial_id[^>]*>([[:digit:]]+)</serial_id>|\1|p' \
                 "${SYS_PROD_PATH}")


(cd "${TEMP_PATH}" && \
     lftp -c mirror "ftp://${WIIU_ADDRESS}/${REMOTE_SYS}/logs")


# dump logs into FW<serial>/<datetime>
FW_PATH="FW${SERIAL_ID}"
DATETIME_PATH=$(date "+%F %H-%M-%S")
DEST_PATH="${FW_PATH}/${DATETIME_PATH}"
mkdir -p "${DEST_PATH}"

echo "Copying logs to ${DEST_PATH}"

# rename all log files to match their timestamps (first line in the log)
for f in "${TEMP_PATH}"/logs/*.log
do
    FILE_TIME=$(head -n 1 < "$f")
    FILE_NAME="${FILE_TIME//:/-}"
    cp "$f" "${DEST_PATH}/${FILE_NAME}.log"
done

exit 0