sS uniqueFileNameUsingMD5_80_v2(S fullName) {
  ret uniqueFileNameUsingMD5_80_v2(fullName, md5(fullName));
}

sS uniqueFileNameUsingMD5_80_v2(S fullName, S md5) {
  ret takeFirst(80-33, fileNameEncode(fullName)) + " - " + md5;
}