로그 문자열에 라인 번호 넣는 스크립트, https://agvim.wordpress.com/2018/08/07/insert-line-number-into-log-message-with-javascript/

addNumberAsLastArgument.js

#!/usr/bin/env node
const cli = require('cli');
let line_number = 0, re;

cli.withInput(function (line, newline, eof) {
  line_number = line_number + 1;
  re = new RegExp(process.argv[2]);
  if (!eof) {
    if(line.match(re)) {
      this.output(line.replace(/\)\s*;\s*$/, ', "'+line_number+'");'));
    } else {
      this.output(line);
    }
  }
});