Created
December 5, 2013 05:28
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| #!/usr/bin/env ruby | |
| # PBS 4 Dec. 2013 | |
| # Renders HTML for all the .markdown files in the current directory. | |
| # Gives each file a .html suffix. | |
| # Saves them in a subfolder called HTML. | |
| require 'rdiscount' | |
| require 'find' | |
| require 'fileutils' | |
| def markdown_file?(f) | |
| filename = File.basename(f) | |
| if filename[0] == ?. then return false end | |
| if FileTest.directory?(f) then return false end | |
| extension = File.extname(filename) | |
| if extension == '.markdown' then return true end | |
| return false | |
| end | |
| def text_of_file(f) | |
| file = File.open(f, 'r') | |
| s = file.read | |
| file.close | |
| return s | |
| end | |
| def filename_with_suffix_dropped(filename) | |
| filename_array = filename.split('.') | |
| filename_array.delete_at(filename_array.length - 1) | |
| filename = filename_array.join('.') | |
| return filename | |
| end | |
| def filename_with_suffix_changed(filename, new_suffix) | |
| filename = filename_with_suffix_dropped(filename) | |
| return filename + new_suffix | |
| end | |
| def write_file(s, f) | |
| FileUtils.mkdir_p(File.dirname(f)) | |
| f = File.open(f, 'w') | |
| f.puts(s) | |
| f.close | |
| end | |
| def html_text_for_file(f) | |
| markdown_text = text_of_file(f) | |
| html_text = RDiscount.new(markdown_text).to_html | |
| filename = File.basename(f) | |
| title = filename_with_suffix_dropped(filename) | |
| style = "<style>body {margin-top: 3em;}\n.content {width: 33em; margin-left: 7em; margin-right: auto}</style>\n" | |
| file_text = "<html>\n<head><title>#{title}</title>#{style}</head></body><div class=content>#{html_text}</div></body></html>" | |
| return file_text | |
| end | |
| def generate_and_write_html(f) | |
| filename = File.basename(f) | |
| html_filename = filename_with_suffix_changed(filename, '.html') | |
| folder = File.dirname(f) | |
| html_folder = folder + "/html/" | |
| html_filepath = html_folder + html_filename | |
| html_text = html_text_for_file(f) | |
| write_file(html_text, html_filepath) | |
| end | |
| folder = Dir.pwd | |
| Find.find(folder) do |f| | |
| filename = File.basename(f) | |
| if markdown_file?(f) | |
| print(filename + "\n") | |
| generate_and_write_html(f) | |
| end | |
| end |
You may want to look at how Jekyll works. It has a simple command that monitors a directory and generates html when a file changes.
https://github.com/mojombo/jekyll/blob/master/lib/jekyll/commands/build.rb
jekyll build --watch
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But since we all love Ruby, here’s a more compact and idiomatic version:
https://gist.github.com/sklppr/7803789