#! ruby -Ks
# coding:windows-31j
#! /usr/bin/env ruby

require 'nkf'
#OCRA でコンパイルする時に内容チェックさせない。
unless (defined?(Ocra))

inf=ARGV[0]
linesep=ARGV[1]

f = open(inf, "r")
  str = f.read
f.close


unless NKF.guess(str)==NKF::UTF8 || NKF.guess(str)==NKF::SJIS then
  puts "Only for UTF-8 or Shift-JIS"
  exit
end

  linesep2=linesep
if linesep==nil
  linesep="-Lu"
  linesep2="-Lw"
end
     # -Lw:Windows(CRLF) -Lu:UNIX(LF) -Lm:Mac(CR)
    print "\nOption of Line Separator : "+linesep+"\n"

doc_nbom=NKF.nkf('-w80 '+linesep,str)
doc_sjis=NKF.nkf('-s '+linesep2,str)

NBOMf=File.dirname(inf)+"/"+File.basename(inf,".*")+"_NBOM"+File.extname(inf)
BOMf=File.dirname(inf)+"/"+File.basename(inf,".*")+"_BOM"+File.extname(inf)
SJISf=File.dirname(inf)+"/"+File.basename(inf,".*")+"_SJIS"+File.extname(inf)

ot = open(NBOMf,"w")
  ot.print doc_nbom
  print "\nCreated UTF-8 without BOM(NBOM) Formated File\n"
  print "  "+NBOMf+"\n"
ot.close

ot2 = open(BOMf,"w")
  ot2.print("\xEF\xBB\xBF")
  ot2.print doc_nbom
  print "\nCreated UTF-8 with BOM Formated File\n"
  print "  "+BOMf+"\n"
ot2.close

ot3= open(SJISf,"w")
  ot3.print doc_sjis
  print "\nCreated Shift-JIS Formated File\n"
  print "  "+SJISf+"\n"
ot3.close
end