/usr/bin/pdfexplode is in origami-pdf 2.0.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 | #!/usr/bin/env ruby
=begin
= Info
Explodes a PDF into separate documents.
= License
Copyright (C) 2016 Guillaume Delugré.
Origami is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Origami is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Origami. If not, see <http://www.gnu.org/licenses/>.
=end
begin
require 'origami'
rescue LoadError
$: << File.join(__dir__, '../lib')
require 'origami'
end
include Origami
require 'optparse'
require 'rexml/document'
class OptParser
BANNER = <<USAGE
Usage: #{$0} <PDF-file> [-r <range>] [-t pages|rsrc] [-d <output-directory>]
Explodes a document into separate documents.
Bug reports or feature requests at: http://github.com/gdelugre/origami
Options:
USAGE
def self.parser(options)
OptionParser.new do |opts|
opts.banner = BANNER
opts.on("-d", "--output-dir DIR", "Output directory.") do |d|
options[:output_dir] = d
end
opts.on("-r", "--range PAGES", "Page range (e.g: 2-, 1-3, 5). Default to '-'.") do |r|
range =
if r.index('-').nil?
page = r.to_i
Range.new(page-1, page-1)
else
from, to = r.split('-').map{|bound| bound.to_i}
from ||= 1
to ||= 0
Range.new(from-1, to-1)
end
options[:page_range] = range
end
opts.on("-t", "--type TYPE", "Split by type. Can be 'pages' or 'rsrc'. Default to 'pages'.") do |t|
options[:split_by] = t
end
opts.on_tail("-h", "--help", "Show this message.") do
puts opts
exit
end
end
end
def self.parse(args)
options =
{
page_range: (0..-1),
split_by: 'pages'
}
self.parser(options).parse!(args)
options
end
end
begin
@options = OptParser.parse(ARGV)
if ARGV.empty?
abort "Error: No filename was specified. #{$0} --help for details."
else
target = ARGV.shift
end
if @options[:output_dir].nil?
@options[:output_dir] = "#{File.join(File.dirname(target), File.basename(target,'.pdf'))}.explode"
end
Origami::OPTIONS[:ignore_bad_references] = true
OUTPUT_DIR = @options[:output_dir]
Dir::mkdir(OUTPUT_DIR) unless File.directory?(OUTPUT_DIR)
def split_by_rsrc(n, page, type)
all_rsrc = page.resources
type_rsrc = page.resources(type)
other_rsrc = all_rsrc.keys - type_rsrc.keys
unless type_rsrc.empty?
# Keep only specified resource type.
output_file = File.join(OUTPUT_DIR, "page_#{n}_keeponly_#{type}.pdf")
PDF.write(output_file) do |pdf|
reduced = page.copy
# New resource dictionary with only matching resources.
reduced.Resources = Resources.new(type => type_rsrc)
# Remove mention of other resources.
reduced.each_content_stream do |stream|
stream.data = stream.data.lines.
delete_if {|line| other_rsrc.any?{|rsrc| line =~ /#{rsrc}/}}.join
end
STDERR.puts "Creating #{output_file}..."
pdf.append_page(reduced)
end
# Remove all specified resource type.
output_file = File.join(OUTPUT_DIR, "page_#{n}_excluded_#{type}.pdf")
PDF.write(output_file) do |pdf|
reduced = page.copy
# New resource dictionary with no resource of specified type.
reduced.Resources = reduced.Resources.copy
reduced.Resources.delete(type)
# Remove mention this resource type.
reduced.each_content_stream do |stream|
stream.data = stream.data.lines.
delete_if {|line| type_rsrc.keys.any?{|rsrc| line =~ /#{rsrc}/}}.join
end
STDERR.puts "Creating #{output_file}..."
pdf.append_page(reduced)
end
# Now treating each resource object separately.
type_rsrc.each_pair do |name, rsrc|
anyother_rsrc = all_rsrc.keys - [ name ]
# Keey only specified resource object.
output_file = File.join(OUTPUT_DIR, "page_#{n}_keeponly_#{type}_#{name}.pdf")
PDF.write(output_file) do |pdf|
reduced = page.copy
# New resource dictionary with only specified resource object.
reduced.Resources = Resources.new(type => {name => rsrc})
# Remove mention of all other resources.
reduced.each_content_stream do |stream|
stream.data = stream.data.lines.
delete_if {|line| anyother_rsrc.any?{|rsrc| line =~ /#{rsrc}/}}.join
end
STDERR.puts "Creating #{output_file}..."
pdf.append_page(reduced)
end
# Remove only specified resource object.
output_file = File.join(OUTPUT_DIR, "page_#{n}_excluded_#{type}_#{name}.pdf")
PDF.write(output_file) do |pdf|
reduced = page.copy
# New resource dictionary with only specified resource object.
reduced.Resources = reduced.Resources.copy
reduced.Resources[type] = reduced.Resources.send(type).copy
reduced.Resources[type].delete(name)
# Remove mention of this resource only.
reduced.each_content_stream do |stream|
stream.data = stream.data.lines.
delete_if {|line| line =~ /#{name}/}.join
end
STDERR.puts "Creating #{output_file}..."
pdf.append_page(reduced)
end
end
end
end
params =
{
verbosity: Parser::VERBOSE_QUIET,
}
pdf = PDF.read(target, params)
i = @options[:page_range].first + 1
pdf.pages[@options[:page_range]].each do |page|
case @options[:split_by]
when 'pages'
output_file = File.join(OUTPUT_DIR, "page_#{i}.pdf")
PDF.write(output_file) do |pdf|
STDERR.puts "Creating #{output_file}..."
pdf.append_page(page)
end
when 'rsrc'
[ Resources::EXTGSTATE,
Resources::COLORSPACE,
Resources::PATTERN,
Resources::SHADING,
Resources::XOBJECT,
Resources::FONT,
Resources::PROPERTIES
].each { |type| split_by_rsrc(i, page, type) }
else
raise ArgumentError, "Unknown split option: #{@options[:split_by]}"
end
i += 1
end
rescue
abort "#{$!.class}: #{$!.message} #{$!.backtrace.join($/)}"
end
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