Cleans out old unread instapaper articles from same website.
From source:
$ git clone https://github.com/mjelgart/instapaper-cleaner.git
$ cd instapaper-cleaner
$ python setup.py install
Rename "cleaner-example.cfg" to "instapaper-cleaner.cfg". Fill out that configuration file with the indicated values, including the number of articles you'd like to keep from the target websites.
Then rename "targetURLs-example.txt" to "targetURLs.txt" Fill out a targetURLs.txt with the URLs you want to clean, based on the examples provided. Copy and paste them with or without the "https://" or "http://", it will not matter.
To run the tool:
$ python cleaner.py
A message will appear indicating how many articles were deleted if any.
A more detailed log will appear entitled instapaper-cleaner.log
Written in Python 3.5.