Bulk update Cognito user attributes

bulk_update_cognito_users.sh

#!/bin/bash

POOL_ID=""
QUERY=""
REGION=""
ATTRIBUTES=(
  "key:value"
  "key2:value2"
)

function update_user_attributes {
  aws cognito-idp admin-update-user-attributes \
    --user-pool-id $POOL_ID \
    --username $1 \
    --user-attributes Name=custom:$2,Value=\"$3\" \
    --region $REGION
}

aws cognito-idp list-users --user-pool-id $POOL_ID | jq -r ".Users[].Username | select(contains(\"$QUERY\"))" |
  while read -r value; do
    for attribute in "${ATTRIBUTES[@]}" ; do
      update_user_attributes $value ${attribute%%:*} ${attribute##*:}
    done
  done