Delete a list of cloudwatch alarms with names that contain a string

aws-cloudwatch-delete-alarms.sh

#!/bin/bash

ALARM_NAME_CONTAINS_STRING='alarm-name'

ALARMS=$(aws cloudwatch describe-alarms \
  | jq '.MetricAlarms[].AlarmName' \
  | sed "s/\"//g" \
  | awk "/$ALARM_NAME_CONTAINS_STRING/") 

for alarm in $ALARMS; 
do 
  echo "Deleting alarm: $alarm"
  aws cloudwatch delete-alarms --alarm-names $alarm
done

9a10
> IFS=$(echo -en "\n\b")

deletes alarms with spaces in the name as well.