Created
October 28, 2013 16:52
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word_mail_merge.rb is a simple way to do mail merge in ruby
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#!/usr/bin/env ruby | |
require 'zip/zip' # rubyzip gem | |
require 'nokogiri' | |
class WordMailMerge | |
def self.open(path, &block) | |
self.new(path, &block) | |
end | |
def initialize(path, &block) | |
@replace = {} | |
if block_given? | |
@zip = Zip::ZipFile.open(path) | |
yield(self) | |
@zip.close | |
else | |
@zip = Zip::ZipFile.open(path) | |
end | |
end | |
def force_settings | |
@replace["word/settings.xml"] = %{<?xml version="1.0" encoding="UTF-8" standalone="yes"?> | |
<w:settings xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:m="http://schemas.openxmlformats.org/officeDocument/2006/math" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w10="urn:schemas-microsoft-com:office:word" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:sl="http://schemas.openxmlformats.org/schemaLibrary/2006/main"><w:zoom w:percent="100"/></w:settings>} | |
end | |
def merge(rec) | |
xml = @zip.read("word/document.xml") | |
doc = Nokogiri::XML(xml) {|x| x.noent} | |
# Word's first way of doing things | |
(doc/"//w:fldSimple").each do |field| | |
if field.attributes['instr'].value =~ /MERGEFIELD (\S+)/ | |
text_node = (field/".//w:t").first | |
puts "#{$1} existing text: #{text_node.inner_html}, Set to #{rec[$1]}" | |
p text_node | |
if text_node | |
puts "Replace node for #{$1}" | |
text_node.inner_html = rec[$1].to_s | |
else | |
puts "No text node for #{$1}" | |
end | |
end | |
end | |
# Word's second way of doing things (why???) | |
(doc/"//w:instrText").each do |instr| | |
if instr.inner_text =~ /MERGEFIELD (\S+)/ | |
#rsid = instr.parent.attributes['rsidR'] | |
text_node = instr.parent.next_sibling.next_sibling.xpath(".//w:t").first | |
text_node ||= instr.parent.next_sibling.next_sibling.next_sibling.xpath(".//w:t").first | |
if text_node | |
#if text_node = instr.parent.parent.xpath(".//w:t").first | |
#if text_node = (doc/"//w:r[@w:rsidR='#{rsid}']//w:t").first | |
text_node.inner_html = rec[$1].to_s | |
end | |
end | |
end | |
@replace["word/document.xml"] = doc.serialize :save_with => 0 | |
end | |
def save(path) | |
Zip::ZipFile.open(path, Zip::ZipFile::CREATE) do |out| | |
@zip.each do |entry| | |
out.get_output_stream(entry.name) do |o| | |
if @replace[entry.name] | |
o.write(@replace[entry.name]) | |
else | |
o.write(@zip.read(entry.name)) | |
end | |
end | |
end | |
end | |
end | |
def close | |
@zip.close | |
end | |
end | |
if __FILE__ == $0 | |
file = ARGV[0] | |
out_file = ARGV[1] || file.sub(/\.docx/, ' Merged.docx') | |
w = WordMailMerge.open(file) | |
w.force_settings | |
w.merge('First_Name' => 'Eric', 'Last_Name' => 'Mason') | |
w.save(out_file) | |
end |
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