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Convert RTF/DOC files to Markdown via Textutil
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| #!/usr/bin/ruby | |
| # Uses textutil, available on Mac only (installed by default) | |
| # Usage: rtftomarkdown.rb FILENAME.rtf | |
| # Outputs to STDOUT | |
| if ARGV.length == 0 | |
| puts "#{__FILE__} expects an RTF input file as an argument" | |
| exit | |
| end | |
| def remove_empty(input) | |
| input.gsub!(/(<(\w+)( class=".*?")?>\s*<\/\2>)/,'') | |
| input = remove_empty(input) if input =~ /(<(\w+)( class=".*")?>\s*<\/\2>)/ | |
| return input.strip | |
| end | |
| def indent_list(size) | |
| " " * 2 * size | |
| end | |
| ARGV.each do |infile| | |
| file = infile.sub(/\/$/,'') | |
| if File.exists?(File.expand_path(file)) | |
| ext = file.match(/\.(\w+)$/)[1] | |
| input = %x{/usr/bin/textutil -convert html -stdout #{file}}.strip | |
| input.gsub!(/.*?<body>(.*?)<\/body>.*/m,"\\1") | |
| # remove span/br tags, unneccessary | |
| input.gsub!(/<br>/,'') | |
| input.gsub!(/<\/?span( class=".*?")?>/,'') | |
| # substitute headers | |
| input.gsub!(/<p class="p1"><b>(.+?)<\/b><\/p>/,'# \\1') | |
| input.gsub!(/<p class="p2"><b>(.+?)<\/b><\/p>/,'## \\1') | |
| input.gsub!(/<p class="p3"><b>(.+?)<\/b><\/p>/,'## \\1') | |
| input.gsub!(/<p class="p4"><b>(.+?)<\/b><\/p>/,'### \\1') | |
| input.gsub!(/<p class="p5"><b>(.+?)<\/b><\/p>/,'### \\1') | |
| # input = input.split("\n").map { |line| | |
| # remove_empty(line) | |
| # }.join("\n") | |
| # remove paragraph tags | |
| input.gsub!(/<p class="p\d">(.*?)<\/p>/,'\\1') | |
| # emphasis | |
| input.gsub!(/<\/?b>/,'**') | |
| input.gsub!(/<\/?i>/,'*') | |
| input = input.split("\n").map { |line| | |
| line.strip | |
| }.join("\n") | |
| # Handle lists | |
| list_stack = [] | |
| indent = "" | |
| input = input.split("\n").map { |line | | |
| # note textutil seems to output an unnumbered list even for numbered (ol) lists if fed .docx, use .rtf | |
| # not clear that ol or ul come across if .doc (sigh) | |
| if line =~ /<ul class="ul\d">/ | |
| list_stack.push("*") | |
| "" | |
| elsif line =~ /<ol class="ol\d">/ | |
| list_stack.push("1.") | |
| "" | |
| elsif line =~ /<\/ul>/ | |
| list_stack.pop | |
| "" | |
| elsif line =~ /<\/ol>/ | |
| list_stack.pop | |
| "" | |
| elsif line =~ /<li class="li\d">/ | |
| line.gsub(/<li class="li\d">\S+\s*(.+?)<\/li>/, "#{indent_list(list_stack.size)}#{list_stack.fetch(-1)} \\1") | |
| else | |
| line | |
| end | |
| }.join("\n") | |
| puts input | |
| else | |
| puts "File not found: #{file}" | |
| end | |
| end |
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I give up. Between either Microsoft Word for OS X and Apple textutil, they don't handle lists right. Found an example where nested lists are not output to HTML right so the above processing fails (although I think it is technically right). Leaving code here in case it is useful to anyone.