update.rb

#!/usr/bin/env ruby
# USAGE:
#   `ruby update.rb`
#
#   This will convert everything in the same folder as this file to html (using
#   multimarkdown) and write it, with a header and footer and css, to
#   html/filename.html

require 'optparse'

about = { "version" => "0.40",
          "author" => "Scott Sievert",
          "author_email" => "sieve121@umn.edu",
          "homepage" => "http://scottsievert.github.io/jem-press/"
        }

def remove(filename)
    if Dir::glob('*').include? filename
        puts '    '+filename
        `rm -rf #{filename}`
    end
end
options = {}
OptionParser.new do |opts|
    opts.banner = "Usage:
    `ruby update.rb`. Processes every *.md file in content/ and writes a complete
     website to html/ including styling.

    The menu is assumed to named menu.md and images are assumed to live in content/images/
    "
    opts.on('-v', '--version', 'Print version and exit') do
        puts "version "+about['version'];
        exit;
    end
    opts.on('-p', '--publish', 'Write HTML files to jem-press/ and exit') do
        puts 'Copying /html to / (and not republishing site)'
        `cp -rf html/* .`
        exit
    end
    opts.on('-r', '--remove-install', 'Remove the install. Delete all the *.html files from jem-press/') do
        files = Dir::glob("*.html")
        puts 'Removing...'
        for file in files
            remove(file)
        end
        all_files = Dir::glob('*')
        remove('processed_md')
        remove('favicons')
        remove('style.css')
        remove('solarized.css')
        remove('github.css')
        remove('jquery.js')
        remove('texture.png')
        exit
    end
    opts.on('-n', '--new-post', 'Create a new page and open the  corresponding markdown file
                                     with your default editor (requires argument). Spaces not
                                     supported in filenames and you don\'t the .md extension. To
                                     change the default app this file opens with, see [0].

                                     I recommend this markdown editor[1], but you can use
                                     vim/emacs/sublime/anything.

      [0]:http://osxdaily.com/2013/08/08/change-default-application-open-files-mac-os-x/
      [1]:http://multimarkdown.com
            ') do
        puts 'Opening in your default *.md editor. See --help to change this program'
        `touch content/#{ARGV[0]}.md`
        `open content/#{ARGV[0]}.md`
        exit
    end

end.parse!

markdown_files = Dir::glob("content/*.md")
html_files = Dir::glob("html/*.html")

names = []
for file in markdown_files
    names.push(File.basename(file).split('.')[0])
end

header = Dir::glob("helper/header.html")
footer = Dir::glob("helper/header.html")

# removing all the files in html/
`rm html/processed_md/*`
`rm -rf html/*.*`

# writing the files. header+content+footer, two column
puts 'Processing'
for name in names
    puts '    content/'+name+'.md'
    html_name = name+'.html';

    #`multimarkdown content/#{name}.md > html/processed_md/#{name}.html`
    `pandoc -s --mathjax content/#{name}.md -o html/processed_md/#{name}.html`

    page = `cat helper/page.html`
    page ['../index.html'] = 'processed_md/'+html_name
    File.open('html/'+html_name, 'w'){|f| f.write(page)}
end

`cp -rf content/images/ html/images/ `
`multimarkdown content/menu.md > html/menu.html`
`cp -rf helper/* html/`