Module: Booklet

Defined in:
lib/booklet.rb,
lib/booklet/version.rb

Constant Summary collapse

VERSION = 
"0.1.0"

Instance Method Summary collapse

Instance Method Details

#pages(pdf) ⇒ Object 



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# File 'lib/booklet.rb', line 10

def pages(pdf)
  `pdftk #{pdf} dump_data`.split("\n").select { |l| l.start_with? "NumberOfPages:" }[0].split[1].to_i
end

#quire_all(p) ⇒ Object 



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# File 'lib/booklet.rb', line 23

def quire_all(p)
  (1..p).to_a.map { |i|
    case  i % 4
    when 1 then p - (i-1)/2
    when 2 then i/2
    when 3 then (i+1)/2
    else p - i/2 + 1
    end
  }.join(" ")
end

#quire_each(p) ⇒ Object 



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# File 'lib/booklet.rb', line 14

def quire_each(p)
  (1..p).to_a.map { |i|
    case i % 4
    when 1 then i + 3
    else i - 1
    end
  }.join(" ")
end

#run(cmd) ⇒ Object 



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# File 'lib/booklet.rb', line 5

def run(cmd)
  puts "> #{cmd}"
  `#{cmd}`
end