3 ms·

Also works with tr echo "fgbr@bczx.9c" | tr 'rbgfcxz9' 'plehodus'

• kazinator 5y ago
  This version doesn't require the knowledge of any system or programming language: "To obtain my e-mail address reverse the following text from left to right, letter by letter: moc.elpmaxe@raboof". Note that grandparent cpach, if you check their profile, is actually relying on the good old (dot) (at) obfuscation system, and not the base64 command they proposed in the comment.