ä»ã¾ã§homebrewã§å ¥ãããpdfjamã使ã£ã¦ããã®ã ããmacportsã«ãããªãpdflatexã«ä¾åãã¦ããã®ã§ãã¾ã使ããããªãã prawn(https://github.com/prawnpdf/prawn)ã使ãã¨Rubyã ãã§ä½ããã®ã§ãä¹ãæãããã¨ã«ããã prawnã¯pngãå ¥ããã¨é ããªãã®ã§ãjpegã使ã£ãã»ããããã gem install prawn join-images.rb #!/usr/bin/env ruby require 'rubygems' require 'prawn' puts out_fname = ARGV.pop p imgs = ARGV Prawn::Document.generate(out_fname) do imgs.each do |img| image(img, :fit => [bounds.absolute_
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