Generate a PDF file from an array of URLs

# this is here for clarity, this record creation can be internalized into EvilPDF
pdf_record = PdfRecord.new :name => 'file_name_no_ext'

evil_pdf = EvilPdf.new pdf_record,
  :async => true, # run in delayed job, updates record automatically

evil_pdf.from_urls ['http://google.com']

# save to db manually
pdf_record.pdf = evil_pdf.file_handle
pdf_record.save

# immediate download, must not be async
send_file evil_pdf.file_path, 
  :type => "application/pdf", 
  :disposition => "inline"

• PDFKit wrapper

• wkhtmltopdf binary (included in PDFKit)

• Ghostscript to combine PDFs into one file (included in most *nix systems)

• delayed_job