lufeihaidao

require 'bzip2'
un = "同上，需要用双引号括起来"
pw = "同上，需要用双引号括起来"
puts Bzip2.uncompress(un), Bzip2.uncompress(pw)

lufeihaidao

import bz2
un = "un 的字符串内容，表示 user name"
pw = "pw 的字符串内容，表示 password"
print bz2.decompress(un), bz2.decompress(pw)

lufeihaidao

require "RMagick"
Magick::ImageList.new("oxygen.png").get_pixels(0,45,629,1).map.with_index
  {|p,i| (p.red/255).chr if i%7==0)}.join.scan(/\d+/){|c| print c.to_i.chr }

lufeihaidao

import re, Image
im = Image.open("oxygen.png")
row = [im.getpixel((x, 47)) for x in range(0, im.size[0], 7)]
chrs = [chr(r) for r, g, b, a in row if r == g == b]
s = ''.join(chrs)
print ''.join(map(chr, map(int, re.findall(r'\d+',s))))

lufeihaidao

require "zip/zip"
zipfilename = "/home/haidao/Downloads/channel.zip"
Zip::ZipFile.open(zipfilename) do |zipfile|
  s = zipfile.get_input_stream("readme.txt").read
  num = s.match(/\d{2,6}/)
  output = Array.new
  while num do
    entry = zipfile.find_entry("#{num}.txt")
    s = entry.get_input_stream.read
    num = s.match(/\d{2,6}/)

lufeihaidao

f = "channel.zip"
z = zipfile.ZipFile(f)
name = '90052.txt'
while 1:
    print z.getinfo(name).comment,
    name = z.read(name).split()[-1] + '.txt'

lufeihaidao

# 推荐的做法
import urllib2, sys, pickle
pickle_data = urllib2.urlopen('http://www.pythonchallenge.com/pc/def/banner.p').read()
data = pickle.loads(pickle_data)
for line in data:
    for char, count in line: sys.stdout.write(char * count)
    sys.stdout.write("\n")

lufeihaidao

ruby -wle 'n = 12345; print n = $1 while 
          `GET "http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=#{n}"`
          =~ /(\d+)$/'

lufeihaidao

require "open-uri"
n=12345
loop do
    flag = ''
    open("http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing=#{n}") do |f|
        s=f.read
        flag = s if s=~/htm/
        n=(s=~/div/ ? n/2 : s.split[-1].to_i)
    end
    if !flag.empty?

lufeihaidao

import re
from urllib import urlopen
astring='http://www.pythonchallenge.com/pc/def/linkedlist.php?nothing='
temp='12345'
f = urlopen(astring+temp)
a=f.read()
restring=re.compile('and the next nothing is (\d{3,5})')
for i in range(400):
    temp=re.findall(restring,a)[0]
    print(temp)