Command-line HTML parsing tool. More information: https://github.com/ericchiang/pup.
cat index.html | pup --color
cat index.html | pup 'tag'
cat index.html | pup 'div#id'
cat index.html | pup 'input[type="text"]'
cat index.html | pup 'div text{}'
cat index.html | pup 'div json{}'