short.py now reads files and stdin

links/sample-urls.txt

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+https://www.oreilly.com/library/view/fluent-python-2nd/9781492056348/
+https://dask.org/
+http://example.com/1572039572038573208
+http://www.unicode.org/
+https://www.techcrunch.com/2024/startup-funding-trends
+https://blog.medium.com/writing-tips-for-beginners
+https://github.com/microsoft/typescript
+https://stackoverflow.com/questions/javascript-async-await
+https://www.reddit.com/r/programming/hot
+https://docs.google.com/spreadsheets/create
+https://www.youtube.com/watch?v=dQw4w9WgXcQ
+https://www.amazon.com/dp/B08N5WRWNW
+https://support.apple.com/iphone-setup-guide
+https://www.wikipedia.org/wiki/Machine_Learning
+https://www.linkedin.com/in/johndoe123
+https://www.instagram.com/p/CxYz123AbC/
+https://twitter.com/elonmusk/status/1234567890
+https://www.facebook.com/events/987654321
+https://drive.google.com/file/d/1AbCdEfGhIjKlMnOp/view
+https://www.dropbox.com/s/qwerty123/document.pdf
+https://zoom.us/j/1234567890?pwd=abcdef
+https://calendly.com/janedoe/30min-meeting
+https://www.shopify.com/admin/products/new
+https://stripe.com/docs/api/charges/create
+https://www.paypal.com/invoice/create
+https://mailchimp.com/campaigns/dashboard
+https://analytics.google.com/analytics/web/
+https://console.aws.amazon.com/s3/buckets
+https://portal.azure.com/dashboard
+https://www.figma.com/file/AbCdEf123456/design-system
+https://www.notion.so/workspace/project-notes
+https://trello.com/b/AbCdEfGh/marketing-board
+https://slack.com/app_redirect?channel=general
+https://discord.gg/AbCdEfGh123
+https://www.twitch.tv/streamername/videos
+https://www.spotify.com/playlist/37i9dQZF1DXcBWIGoYBM5M
+https://www.netflix.com/browse/genre/83
+https://www.hulu.com/series/breaking-bad-2008
+https://www.airbnb.com/rooms/12345678
+https://www.booking.com/hotel/us/grand-plaza.html
+https://www.expedia.com/flights/search?trip=roundtrip
+https://www.uber.com/ride/request
+https://www.doordash.com/store/pizza-palace-123
+https://www.grubhub.com/restaurant/tacos-el-rey-456
+https://www.zillow.com/homes/for_sale/San-Francisco-CA
+https://www.craigslist.org/about/sites
+https://www.python.org/dev/peps/pep-0484/