[work] miktex repository

make a local repository directory

for example, localtex

put two files in the folder
miktex-zzdb1-2.6.tar.bz2
miktex-zzdb2-2.6.tar.bz2

download the necessary packages for local installation
http://tug.ctan.org/tex-archive/systems/win32/miktex/tm/packages/

[work] ruby search convert files

require 'find'
require "FileUtils"
require "ftools"

def pfm2exr(dirname)
  sum=0
  Find.find(dirname) do |f|
       if(f[f.length()-4..f.length()]==".pfm")
           puts f
           fnew=f[0..f.length()-4]+"exr"
           cmdline="D:/proj/pfm2exr/Release/pfm2exr.exe -in \""+f+"\" -out \""+fnew+ "\" -precision 1"
           puts cmdline
           system("#{cmdline}")
           puts "delete"+f
           File.delete(f)
           end
  end
  sum
end

if ARGV.length != 1
 puts "ruby pfm2exr.rb  \n"
 Process.exit
end


dir=ARGV[0]

pfm2exr(dir)

[work] ruby time

oldtime=Time.now
for i in 0..18000
    a=Math::cos(0.2)
    #puts "hahahhee"
end
puts Time.now-oldtime

format print