Uppercase map operator for use with http://datapipes.okfnlabs.org

uppercase.js

// Uppercase operator
//
// Transforms all characters in a data file to
// uppercase

function transform(chunk) {
  // `transform(chunk)` is called on each
  // chunk (in the case of csv, each line) of
  // the data file.
  var json = JSON.parse(chunk);
  for(var x = 0; x < json.row.length; x++) {
    json.row[x] = json.row[x].toUpperCase();
  }

  return JSON.stringify(json);
}

function flush() {
  // `flush()` is called after all the
  // data has been passed through.
}