Display table with all gems in a bundle, each with ie. summary and description, render in MediaWiki table

bundle_gems_overview_table.rb

require "rubygems"
require "bundler"

dia = '/home/florian/src/diaspora'
Dir.chdir dia

def allm obj
  obj.methods.sort.each { |m|
    puts m
  }
end


class MediaWikiTable
  def initialize(headers, data, maxwidth)
    @headers = headers
    @data = data
    @maxwidth = maxwidth
  end

  def tbl_start
    puts "{|"
  end

  def tbl_end
    puts "|}"
  end
    
  def render_header
    puts "!" + @headers.join( "\n!")
    puts "|-"
  end

  def render_body
    @data.each do |row|
      puts "|" + row.map{ |cell|
        dotdot = (cell.length > @maxwidth) ? "..." : ""
        cell[0..@maxwidth].gsub(/[\n\s]+/, " ") + dotdot
      }.join( "\n|")
      puts "|-"
    end
  end

  def render
    tbl_start
    render_header
    render_body
    tbl_end
  end
end



def readgems
  data = []

  Bundler.rubygems.all_specs.each { |spec|
    line = [
      spec.name.to_s,
      spec.version.to_s,
      spec.description.to_s,
    ]
    data.push line
  }

  headers = ['Name', 'Version', 'Description']
  t = MediaWikiTable.new(headers, data, 120)
  t.render
end

readgems