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csv2jsonDocs.js
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csv2jsonDocs.js
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var argv = require('optimist').demand(1).argv;
var csv = require('csv');
var fs = require('fs');
// base32 according to http://www.crockford.com/wrmg/base32.html
var alphabet = '0123456789abcdefghjkmnpqrstvwxyz';
function randomChar() {
var randomNum = Math.floor(Math.random() * 32);
return alphabet.charAt(randomNum);
}
function generateId() {
var id = '';
for (var i=0; i<4; i++) {
id += randomChar();
}
return id;
}
function newId() {
var id = generateId();
if (idBucket[id]) {
// don't overwrite existing IDs
newId();
} else {
idBucket[id] = '';
return id;
}
}
var idBucket = {};
var loadedFile = fs.readFileSync('loaded.json');
var loaded = JSON.parse(loadedFile);
for (var key in loaded.success) {
idBucket[key] = '';
}
var count = 0;
var out = fs.createWriteStream('out.json');
out.write('{');
csv().fromPath(argv._[0], {columns:true})
.toStream(out, {end: false})
.transform(function(data) {
data.Services = data.Type;
data.Type = 'location';
data.IsFood = 'Y';
// first key is not prepended with a comma
if (count) {
process.stdout.write('.');
count++;
return ',"'+newId()+'":'+JSON.stringify(data);
}
process.stdout.write('|');
count++;
return '"'+newId()+'":'+JSON.stringify(data);
})
.on('error', function(err) {
console.log(err.message);
});
process.on('exit', function() {
process.stdout.write(count+'\n');
out.end('}');
});