Certificate to PEM

cert-to-pem.sh

#!/usr/bin/env bash

JS='
function certToPEM(cert) {
  if (cert.indexOf("BEGIN CERTIFICATE") === -1 && cert.indexOf("END CERTIFICATE") === -1) {
    return `-----BEGIN CERTIFICATE-----\n${cert.match(/.{1,64}/g).join("\n")}\n-----END CERTIFICATE-----\n`;
  } else {
    return cert;
  }
}
process.stdin.resume();
process.stdin.setEncoding("utf8");
var cert = "";
process.stdin.on("data", function(buf) {
  cert += buf;
});
process.stdin.on("end", function() {
  console.log(certToPEM(cert));
});
'

node -e "$JS"