class Mutool

Constants

VERSION

Attributes

has_mutool[RW]

mutool_path[RW]

Public Class Methods

clean(input, output, pages='1-N', ops) click to toggle source

# File lib/mutool.rb, line 29
def clean(input, output, pages='1-N', ops)
  raise 'mutool not found' unless has_mutool?
  run([mutool_path, 'clean', flags(ops), input, output, pages].flatten)
end

convert(input, pages='1-N', ops) click to toggle source

Reference: mupdf.com/docs/manual-mutool-convert.html

# File lib/mutool.rb, line 23
def convert(input, pages='1-N', ops)
  raise 'mutool not found' unless has_mutool?
  run([mutool_path, 'convert', flags(ops), input, pages].flatten)
end

flags(ops = {}) click to toggle source

# File lib/mutool.rb, line 13
def flags(ops = {})
  ops.map { |key, value| ["-#{key}", value] }
end

has_mutool?() click to toggle source

# File lib/mutool.rb, line 9
def has_mutool?
  @has_mutool ||= run([mutool_path]).exitstatus == 1
end

version() click to toggle source

# File lib/mutool.rb, line 17
def version
  raise 'mutool not found' unless has_mutool?
  @version ||= version_str.gsub("\n", '').split(' ').last
end

Private Class Methods

run(command = []) click to toggle source

# File lib/mutool.rb, line 46
def run(command = [])
  system(*command, out: File::NULL, err: File::NULL)
  $?
end

version_str() click to toggle source

# File lib/mutool.rb, line 36
def version_str
  _, _, stderr, thread = Open3.popen3('mutool -v')
  thread.join
  stderr.read
end