sub

gistfile1.rb

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

require 'tempfile'


file = ARGV.shift

temp = Tempfile.new('sub', '/tmp')
File.open("#{file}", "r") { |f|
  f.read.each { |line|
    # head
    r = Regexp.new('head\((".*")\s*,\s*".*"\s*,\s".*"\)')
    if r =~ line
      print line.chomp + " \#=> "
      puts  line.sub!(r, "head(#{$1})")
    end

    # img/dot2.gif      => img/dot/dot_2.gif
    # img/dot2.jpg      => img/dot/dot_2.gif
    r = Regexp.new('(img\("img/dot)2\.(jpg|gif)"\)')
    if r =~ line
      print line.chomp + " \#=> "
      puts  line.sub!(r, "#{$1}/dot_2.gif\")")
    end

    # img/dot_line.jpg  => img/dot/dot_m.gif
    # img/line_menu.jpg => img/dot/dot_m.gif
    r = Regexp.new('img\("img/(dot_line|line_menu)\.jpg"\)')
    if r =~ line
      print line.chomp + " \#=> "
      puts  line.sub!(r, 'img("img/dot/dot_m.gif")')
    end

    # <div><img ...></div>
    r = Regexp.new('^(\t*)(<img\ssrc="<\?php\simg\("img/dot/.*"\);\s*\?>"\s*/>)$')
    if r =~ line
      print line.chomp + " \#=> "
      puts  line.sub!(r, "#{$1}<div>#{$2}</div>")
    end

    temp.puts(line)
  }
}
temp.close
temp.open

File.open(file, 'w') { |f|
  puts(">>> " + file)
  temp.each { |line|
    f.puts(line)
  }
}
temp.close