! , google "python daemon" , Python.
Now you canβt know when a website is changing unless you protest it. If the site is well designed, the page you are trying to poll will have the title "Last-Modified", you can make the request "HEAD" as often (be beautiful: don't try, like crazy), and act when Last-Modified> = what is recorded. If the site is poorly designed, it will not have a reliable Last-Modified or ETAG header, in which case you will have to manually analyze and independently verify your changes.
Greetings.
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