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Merging PDFs with Prawn
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class PdfMerger | |
def merge(pdf_paths, destination) | |
first_pdf_path = pdf_paths.delete_at(0) | |
Prawn::Document.generate(destination, :template => first_pdf_path) do |pdf| | |
pdf_paths.each do |pdf_path| | |
pdf.go_to_page(pdf.page_count) | |
template_page_count = count_pdf_pages(pdf_path) | |
(1..template_page_count).each do |template_page_number| | |
pdf.start_new_page(:template => pdf_path, :template_page => template_page_number) | |
end | |
end | |
end | |
end | |
private | |
def count_pdf_pages(pdf_file_path) | |
pdf = Prawn::Document.new(:template => pdf_file_path) | |
pdf.page_count | |
end | |
end |
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