Demo bash script to delete all occurrences of an item

delete-occurrences-of-item/README.md

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+# Delete all occurrences of an item
+
+A simple bash script that deletes all occurrences of a Rollbar item via the API.
+Be careful with running this script; there is no way to recover the occurrences you delete!
+
+## Usage
+```
+bash delete_item.sh <item_counter> <read_token> <write_token>
+```
+
+- `<item_counter>`  The number you see in the url of the item page: https://rollbar.com/<account>/<project>/item/<item_counter>
+- `<read_token>`    A project access token with *read* scope
+- `<write_token>`   A project access token with *write* scope
+
+## Dependencies
+
+This script uses [`jq`](https://stedolan.github.io/jq/) and [`curl`](https://curl.haxx.se/).
+
+## Notes
+
+The script loops over the occurrences of the item until it finds any, but sometimes some occurrences are still remain.
+If you want to make sure that all occurrences are deleted, just check the UI if there are any occurrences left and run
+the script again.

delete-occurrences-of-item/delete_item.sh

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+#!/bin/bash
+### Delete all occurrences of a Rollbar item
+
+### Parameters
+# The item counter from the item url: https://rollbar.com/<account>/<project>/item/<ITEM_COUNTER>/
+ITEM_COUNTER="$1"
+# A project access token with 'read' scope
+READ_TOKEN="$2"
+# A project access token with 'write' scope
+WRITE_TOKEN="$3"
+
+
+HOST='https://api.rollbar.com'
+API="$HOST/api/1"
+
+item_id=$(curl -s -k "$API/item_by_counter/$ITEM_COUNTER?access_token=$READ_TOKEN" | jq .result.itemId)
+page=1
+tmp_file=$(mktemp /tmp/rollbar.XXX)
+
+while :
+do
+    printf "\n\nDeleting occurrences of https://rollbar.com/item/$item_id from page $page\n\n"
+
+    curl -s -k "$API/item/$item_id/instances?page=$page&access_token=$READ_TOKEN" | \
+	jq .result.instances[].id > "$tmp_file"
+
+    < "$tmp_file" xargs -P20 -I instance_id curl -s -k -XDELETE "$API/instance/instance_id?access_token=$WRITE_TOKEN"
+
+    if [ $(wc -l < $tmp_file) -eq 0 ]
+    then break
+    else ((page++))
+    fi
+done
+
+rm -rf "$tmp_file"