# A demo adblocker## Files- `blocklist.txt` - blocklist, one `0.0.0.0 domain` per line.- `sample.html` - demo page referencing blocked ad domains.- `adblock.rak` - the blocker script.- `report.txt` - generated scan report.- `hosts.blocked` - generated `0.0.0.0 domain` entries, one per unique hit.## Usage```rakc run adblocker/adblock.rak```By default it scans the local `sample.html` and writes `report.txt` and`hosts.blocked`. Two environment variables control the inputs:- `RAK_ADBLOCK_LIST` - path to the blocklist (default `adblocker/blocklist.txt`)- `RAK_ADBLOCK_PAGE` - page to scan. A URL (starts with `http`) is fetched over the network; otherwise it is read as a local file (default `adblocker/sample.html`).Example - scan a live page:```$env:RAK_ADBLOCK_PAGE = "https://example.com/"; rakc run adblocker/adblock.rak```## How it works- Loads the blocklist, handling both `0.0.0.0 domain` and plain `domain` lines.- Extracts script, image, and link URLs from the page, then does a raw `src=` scan to catch iframes and anything the tag parser missed.- Flags any URL that contains a blocklisted domain.- Writes `report.txt` (per-resource hits) and `hosts.blocked` (deduplicated hosts entries you can append to a Pi-hole or hosts file).Note: the adblocker is a demo.