Run jq in docker

# Get Slack_name from a.json

declare -A buildUserId2SlackNameDic

while IFS='|' read -r key value; do

  key=$(echo $key | tr -d '"')

  value=$(echo $value | tr -d '"')

  if test ! -z "$value" ; then

  buildUserId2SlackNameDic[$key]=$value

  fi

done< <(docker run -i stedolan/jq <a.json '.[] | "\(.user)|\(.Slack_name)"')

# Get SLACK_USER

if test "${buildUserId2SlackNameDic[$SLACK_USER_ID]+isset}" ; then

    SLACK_USER=${buildUserId2SlackNameDic[$SLACK_USER_ID]}

else

    SLACK_USER=${BUILD_USER_FIRST_NAME,,}

fi