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August 5, 2017 10:00
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batch downloads codepen podcasts. Change latest_podcast variable when a new one is out. Quick script for my current needs else a `wget` command will do for a one episode
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| #!/usr/bin/ruby | |
| require 'fileutils' | |
| require 'rubygems' | |
| require 'typhoeus' | |
| #function to create a directory | |
| def create_a_directory(dir_name) | |
| if dir_name | |
| # dir_name was specified, ensure it is created and writable. | |
| unless File.exist?(dir_name) | |
| begin | |
| FileUtils.mkdir_p(dir_name) | |
| puts "Just made the following dir #{dir_name}" | |
| rescue Errno::EACCES => e | |
| abort "Failed to create #{dir_name}: #{e.message}" | |
| end | |
| end | |
| end | |
| end | |
| dir_name = "path/to/podcast/download/folder" | |
| #create directory if it doesn't exist | |
| create_a_directory(dir_name) | |
| #latest episode to Download | |
| latest_episode = 138 | |
| #variable for number of podcasts downloaded | |
| podcasts = 0 | |
| #iterate a range of podcasts to download | |
| for i in 1..latest_episode | |
| # ensure i is 3 digits n pad it with 00 is not. | |
| #thank you rindolf in freenode ##programing IRC | |
| i = sprintf('%03d', i) | |
| #check if file exists | |
| if File.exist? "#{dir_name}/#{i}" | |
| next | |
| end | |
| #check for new range that has a different URL | |
| if i.to_i >= 124 | |
| i = "codepen-" << i | |
| end | |
| puts "Downloading episode #{i}" | |
| downloaded_file = File.open "#{dir_name}/#{i}", 'wb' | |
| request = Typhoeus::Request.new("codepen-podcast.s3.amazonaws.com/#{i}.mp3") | |
| request.on_headers do |response| | |
| if response.code != 200 | |
| raise "Request failed" | |
| end | |
| end | |
| request.on_body do |chunk| | |
| downloaded_file.write(chunk) | |
| end | |
| request.on_complete do |response| | |
| downloaded_file.close | |
| # Note that response.body is "" | |
| end | |
| request.run | |
| #increment number of completed podcast downloads | |
| podcasts += 1 | |
| end | |
| puts "Done. Downloaded #{podcasts} podcasts" |
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