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User murmur instead of md5 #7

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User murmur instead of md5 #7

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14 changes: 8 additions & 6 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,16 +1,18 @@
'use strict'
var fs = require('graceful-fs');
var chain = require('slide').chain;
var crypto = require('crypto');
var MurmurHash3 = require('imurmurhash');

var md5hex = function () {
var hash = crypto.createHash('md5');
for (var ii=0; ii<arguments.length; ++ii) hash.update(''+arguments[ii])
return hash.digest('hex')
function murmurhex () {
var hash = MurmurHash3('');
for (var ii=0; ii<arguments.length; ++ii) {
hash.hash(hash+arguments[ii]);
}
return hash.result();
}
var invocations = 0;
var getTmpname = function (filename) {
return filename + "." + md5hex(__filename, process.pid, ++invocations)
return filename + "." + murmurhex(__filename, process.pid, ++invocations)
}

module.exports = function writeFile(filename, data, options, callback) {
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3 changes: 2 additions & 1 deletion package.json
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Expand Up @@ -22,7 +22,8 @@
"homepage": "https://github.com/iarna/write-file-atomic",
"dependencies": {
"graceful-fs": "^4.1.2",
"slide": "^1.1.5"
"slide": "^1.1.5",
"imurmurhash": "^0.1.4"
},
"devDependencies": {
"require-inject": "^1.1.0",
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