Docker mysql to csv

#!/bin/sh

DQUOTE=$(echo "\42")
SQUOTE=$(echo "\47")

COMMAND="mysql -u USER -pPASSWD -h HOST --default-character-set=utf8 \
    --database=DB --batch -e ${DQUOTE}SELECT * FROM SOMEWHERE${DQUOTE} | \
    sed ${SQUOTE}s/${DQUOTE}/${DQUOTE}${DQUOTE}/g;s/\t/${DQUOTE},${DQUOTE}/g;s/^/${DQUOTE}/;s/$/${DQUOTE}/;s/\n//g;s/\\n/\n/g${SQUOTE} \
    > ${VOLUME_OUTPUT_FILE}"

docker run \
  --network ${NETWORK} \
  --volume ${OUTPUT_FOLDER}:${VOLUME_OUTPUT_FOLDER} \
  mysql sh -c "${COMMAND}"