epub-build.sh

#!/usr/bin/env bash
#
# epub build script
# run from within the root folder of your epub

this=$(basename $0)

# Help
if [ "$1" == "-h" ]; then
	shift;
	echo "usage: $this [-d]"
	exit 1
fi

if [ ! -d "OEBPS" ]; then
	echo "OEBPS folder does not exist"
	exit 2
fi

# Build development version
if [ "$1" == "-d" ]; then
	shift;
	ruby version.rb
	echo "building devlopment version..."
fi

# Note the tab and space in sed's match
filename=$(grep '<dc:title>' OEBPS/content.opf | sed 's/^[ 	]*<dc:title>\(.*\)<\/dc:title>/\1/')
echo "title: $filename"

if [ -f "$filename.epub" ]; then
	echo "removing old file: $filename.epub"
	rm -fr "$filename.epub"
fi

zip -0Xq "$filename.epub" mimetype
zip -Xr9Dq "$filename.epub" META-INF OEBPS

# Run epubcheck if available
which epubcheck > /dev/null
if [ $? -eq 0 ]; then
	epubcheck "$filename.epub"
else
	echo "epubcheck not available skipping..."
fi

epubcheck

#!/usr/bin/env bash
# Put this file in a place where it will
# be included in your environment path
# eg. /usr/local/bin

this=$(basename $0)
if [ $# -ne 1 ]; then
	echo "usage: $this file"
	exit 1
fi

# Update the path below to your copy of epubcheck
java -jar "$HOME/Downloads/epubcheck-1.0.5/epubcheck-1.0.5.jar" "`pwd`/$1"

version.rb

#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

# Update version in the title tag of content.opf

# So you don't have to remember to change the title
# every time you want to test something in ibooks

# You must have a version number as the last part of
# your book title. eg My Book 1.0.
# Major versions must be updated manually


buffer = ""

File.open("OEBPS/content.opf", "r") do |toc|
  while line = toc.gets
    if line.include? "<dc:title>"
      m1 = /<dc:title>([a-zA-Z0-9\s]+?)((\d+)\.?(\d+)?)?<\/dc:title>/.match line

      # No version number
      if $2 == nil
        puts "No version number found"
        exit 1
      end

      # No minor version
      if $4 == nil
        puts "No minor version found."
        exit 1
      end

      $i = Integer($4) + 1
      $version = String($3) + "." + String($i)
      $title = "#{$1.chop} #{$version}"
      line.gsub!(/(<dc:title>)(.+?)(<\/dc:title>)/, "\\1#{$title}\\3")
    end

    buffer << line
  end
end

File.open("OEBPS/content.opf", "w") do |toc|
  toc.puts buffer
end