#!/usr/bin/env ruby
def create_tex(src_dir)
jpegs = Dir["#{src_dir}/*.jpg"].sort_by { |f| File.stat(f).mtime }
STDERR.puts(jpegs)
cwd = File.basename(Dir.pwd)
File.open("#{cwd}.tex", "w") do |tex|
tex.write(<<~END_OF_TEX_HEADER)
\\documentclass{article}
\\usepackage{pdfpages}
\\begin{document}
END_OF_TEX_HEADER
jpegs.each do |page|
page =
tex.write("\\includepdf{\"#{page[0,page.size-4]}\".jpg\}\n")
end
tex.write(<<~END_OF_TEX_FOOTER)
\\end{document}
END_OF_TEX_FOOTER
end
"#{cwd}.tex"
end
def create_pdf(tex_file)
STDERR.puts "file=#{tex_file}"
exit_code = %x( pdflatex -interaction=batchmode #{tex_file} )
STDERR.puts "exit code #{exit_code}"
end
def clean_up(work_dir)
STDERR.puts "cleanup #{work_dir}"
Dir.chdir work_dir
Dir['*.log'].each {|f| File.delete f}
Dir['*.aux'].each {|f| File.delete f}
Dir['*.tex'].each {|f| File.delete f}
end
work_dir = Dir.pwd
tex = create_tex(work_dir)
pdf = create_pdf(tex)
clean_up(work_dir)
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