Scan and delete entries from Dynamodb using aws cli

delete-dynamo-entres.sh

#!/bin/sh

table="<table-name>"
region="<table-region>"
primary_keys="first_key"

file_target="scan-results.log"

aws dynamodb scan \
    --table-name $table \
    --filter-expression 'key = :key' \
    --expression-attribute-values '{":key":{"N":"value"}}' \
    --projection-expression "$primary_keys" \
    --region $region > $file_target

echo "Scan has been finished"
echo "Scan results have been written into the file $file_target"

cat $file_target | jq -r ".Items[] | tojson" | tr '\n' '\0' | \
    xargs -0 -I keyItem aws dynamodb delete-item \
    --table-name $table \
    --key=keyItem \
    --region $region