Function validate

scripts/md5sum.js:56–95

(validate_file)

// Validate files against checksums stored in a .md5sum file
function validate(validate_file) {

  const sums = {};
  const lines = fs.readFileSync(validate_file).
    toString().
    split('\n').
    filter(function(line) {
      return line !== '';
    });

  let error = 0;

  lines.forEach(function(line) {
    const parts = line.split('  ');
    const filename = parts[1];
    const md5 = parts[0];
    sums[filename] = md5;
    const md5_actual = md5FileSync(filename);
    if (md5_actual !== md5) {
      error++;
      console.error(filename + ': FAILED');
    } else {
      console.log(filename + ': OK');
    }
  });

  if (error > 0) {
    console.error('ms5sum.js WARNING: 1 computed checksum did NOT match');
    console.error('\nExpected:');
    lines.forEach(function(line) {
      const parts = line.split('  ');
      const filename = parts[1];
      const md5 = parts[0];
      console.log(md5 + '  ' + filename);
    });
    process.exit(1);
  } else {
    process.exit(0);
  }
}