One more util script

Signed-off-by: Lukasz Gryglicki <[email protected]>

Assisted by [OpenAI](https://platform.openai.com/)

Assisted by [GitHub Copilot](https://github.com/features/copilot)

Author: lukaszgryglicki

utils/signature_dates_stats.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+aws --profile lfproduct-prod dynamodb scan --table-name cla-prod-signatures --filter-expression "attribute_not_exists(#a) OR #a = :nullval" --expression-attribute-names '{"#a":"date_created"}' --expression-attribute-values '{":nullval":{"NULL":true}}' --select "COUNT"
+aws --profile lfproduct-prod dynamodb scan --table-name cla-prod-signatures --filter-expression "attribute_exists(#a)" --expression-attribute-names '{"#a":"approx_date_created"}' --select "COUNT"
+aws --profile lfproduct-prod dynamodb scan --table-name cla-prod-signatures --filter-expression "attribute_not_exists(#a) OR #a = :nullval" --expression-attribute-names '{"#a":"date_modified"}' --expression-attribute-values '{":nullval":{"NULL":true}}' --select "COUNT"
+aws --profile lfproduct-prod dynamodb scan --table-name cla-prod-signatures --filter-expression "attribute_exists(#a)" --expression-attribute-names '{"#a":"approx_date_modified"}' --select "COUNT"