Write custom scripts

Script template

// Below is a script template to guide your script writing process

/**
 * Function name must be parse_line
 * Input parameter: line - row data, such as a,b,c
 * Output parameter: jsonObj - a JSON object, which should not be empty
 */
function parse_line(line) {
  var lines = line.split(",");
  return {"a":lines[0],"b":lines[1],"c":lines[2]};
}

In this template, a, b, and c are the field names in the row data.

Script example

// Example data

/*
  Input line row data:
      32,60     
  Output JSON:
      {
         "temperature":32,
         "humidity":60
      }
 */
function parse_line(line) {
  var lines = line.split(",");
  return {"temperature":lines[0],"humidity":lines[1]};
}