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p01/LICENSE.txt

Forked from Prinzhorn/LICENSE.txt
Created October 3, 2011 21:55
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American Soundex in 146 bytes
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README.md

American Soundex in 146 bytes

Raw
annotated.js
// annotated code will come soon
function(s,i,j,r){for(r=s[i=0];j=s.charCodeAt(++i);)r+=+'1230120022455012623010202'[j-98]||'';return(r.replace(/(\d)\1+/g,'$1')+'000').slice(0,4)}
Raw
index.js
function(s,i,j,r){for(r=s[i=0];j=s.charCodeAt(++i);)r+=+'1230120022455012623010202'[j-98]||'';return(r.replace(/(\d)\1+/g,'$1')+'000').slice(0,4)}
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LICENSE.txt
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
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package.json
{
"name": "americanSoundex",
"description": "An implementation of the American Soundex algorithm.",
"keywords": [
"soundex",
"american"
]
}
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test.html
<!DOCTYPE html>
<title>American Soundex</title>
<div>Expected value: <b>R163,A500,B556</b></div>
<div>Actual value: <b id="ret"></b></div>
<script>
// write a small example that shows off the API for your example
// and tests it in one fell swoop.
var myFunction = function(s,i,j,r){for(r=s[i=0];j=s.charCodeAt(++i);)r+=+'1230120022455012623010202'[j-98]||'';return(r.replace(/(\d)\1+/g,'$1')+'000').slice(0,4)}
document.getElementById( "ret" ).innerHTML = [myFunction('Robert'), myFunction('Anna'), myFunction('Bananarama')];
</script>
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p01 commented Oct 4, 2011

I made this fork because my approach was radically different from the original GIST but it turned out to be more efficient and golfing this puppy down to 136 bytes was a breeze.

See the original GIST ( fork of the Master 140bytes GIST ) for more details.

In American Soundex, zeroes are only used for padding. Here I am using a lookup mapping the alphabet to their corresponding digit. The characters to be discarded are only mapped to 0 here because it's easy to nuke them using +'0'||''

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