Snarp
/ extract_youtube_closed_captions.rb
Created
June 14, 2020 14:43
Extracts all UTF-8 strings from YouTube's closed caption ("timedtext") JSON object to generate a rough transcript.
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| require 'json' | |
| # Extracts all UTF-8 strings from YouTube's closed caption (`timedtext`) JSON | |
| # object to generate a rough transcript. | |
| # | |
| # Instructions for acquiring the JSON: | |
| # | |
| # 1. Open the video in a new Firefox tab. Don't click "CC" yet. | |
| # | |
| # 2. Open Firefox Developer Tools (right-click somewhere and select "Inspect |
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| <!-- | |
| Note that this is a very rough, incomplete prototype. | |
| More info on how to possibly leverage it here: https://github.com/tumblr/docs/issues/49 | |
| --> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| {MobileAppHeaders} |
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| # or simply: | |
| 'foobar'.tr 'A-Za-z','N-ZA-Mn-za-m' | |
| # rot(x) | |
| class String | |
| def rot(num = 13) | |
| return self.split("").collect { |ch| | |
| if /^[a-z]$/ === ch | |
| ((ch[0] + num - 'a'[0]) % 26 + 'a'[0]).chr |