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README.md

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 # custom_rss_generators
 A collection of scripts that generate custom RSS feeds
+
+The scripts in this repository do not by default generate output files,
+instead only outputting to `stdout`.
+This is quite elegant if your RSS feed reader supports reading in from
+`stdout` as it avoid the generation of intermediary files.
+For example, in my [`newsraft`](https://codeberg.org/newsraft/newsraft) `feeds`
+configuration file, I have the following lines:
+```
+@ Events
+$(python3 ~/code/python/custom_rss_generators/roisin_dubh_listings.py 2>/dev/null)  "  Róisín Dubh Event Listings"
+```
+
+However, if your RSS feed reader does not support reading in from `stdout` or running 
+executables to generate feeds, you will need to find another way to utilise these scripts, e.g.
+generating `rss.xml` files on a cron schedule and reading from those in your feed reader by using 
+the a link beginning with `file://` or if possible, doing some kind of command injection attack
+via your configuration file to force your feed reader to execute the script (although if successful 
+& not a deliberate design feature this likely indicates a security issue with your feed reader).