create_lualatex_whitespace.rb

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

# ask file information

print("input filename: ")
filename = gets().chomp()

if (filename == "") then
  filename = "lualatex-template.tex"
  print("filename is default: #{filename}\n")
end


print("input documentclass: ")
dc_class = gets().chomp()

if (dc_class == "") then
  dc_class = "ltjsarticle"
  print("documentclass is default: #{dc_class}\n")
end


print("input topmargin[mm]: ")
topmargin = gets().chomp()

if (topmargin == "") then
  topmargin = 4.6
  print("topmargin is default: #{topmargin + 25.4}\n")
else
  topmargin = topmargin.to_f - 25.4
end

print("input bottommargin[mm]: ")
bottommargin = gets().chomp()

if (bottommargin == "") then
  bottommargin = 30 + topmargin + 25.4
  print("bottommargin is default: #{bottommargin - topmargin - 25.4}\n")
else
  bottommargin = bottommargin.to_f + topmargin + 25.4
end

print("input leftmargin[mm]: ")
leftmargin = gets().chomp()

if (leftmargin == "") then
  leftmargin = 4.6
  print("leftmargin is default: #{leftmargin + 25.4}\n")
else
  leftmargin = leftmargin.to_f - 25.4
end

print("input rightmargin[mm]: ")
rightmargin = gets().chomp()

if (rightmargin == "") then
  rightmargin = 30 + leftmargin + 25.4
  print("rightmargin is default: #{rightmargin - leftmargin - 25.4}\n")
else
  rightmargin = rightmargin.to_f + leftmargin + 25.4
end

print("input linestretch: ")
linestretch = gets().chomp()

if (linestretch == "") then
  linestretch = 1.0
  print("linestretch is default: #{linestretch}\n")
else
  linestretch = linestretch.to_f
end


# contents

temp = "\\documentclass{" + dc_class + "}\n\n"

temp += "\\setlength{\\textheight}{\\paperheight}\n"
temp += "\\setlength{\\topmargin}{#{topmargin}truemm}\n"
temp += "\\addtolength{\\topmargin}{-\\headheight}\n"
temp += "\\addtolength{\\topmargin}{-\\headsep}\n"
temp += "\\addtolength{\\textheight}{-#{bottommargin}truemm}\n\n"

temp += "\\setlength{\\textwidth}{\\paperwidth}\n"
temp += "\\setlength{\\oddsidemargin}{#{leftmargin}truemm}\n"
temp += "\\setlength{\\evensidemargin}{#{leftmargin}truemm}\n"
temp += "\\addtolength{\\textwidth}{-#{rightmargin}truemm}\n\n"

temp += "\\renewcommand{\\baselinestretch}{#{linestretch}}\n\n"

temp += "\\begin{document}\n\n\n"

temp += "\\end{document}\n"


# write

out_f = open(filename, "w")

out_f.write(temp)

out_f.close()

print("#{filename} was written. (encoding: utf-8)\n")

lualatex用(UTF-8)余白テンプレート作成スクリプト。数値の扱いに注意