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panfu/md5 fool me.coffee

Created August 29, 2011 03:58
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md5 fool me.coffee
crypto = require('crypto')
md5_url = (url) -> crypto.createHash('md5').update(url).digest("hex")[0..6]
h = {}
a = []
for r in [1..100000]
z = md5_url(Math.random() + '')
if !h[z]
a.push z
h[z] = 1
console.log a.length
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