sudo apt-get install fortunes-spam

$ fortune -o
Today's spam:

The best |/.|@.Cr./\!

  • Si on veut virer les "Today's spam":

$ head -1 /usr/share/games/fortunes/off/spam
Gbqnl'f fcnz:

Some of the fortunes are _really_ vulgar and obscene; you're warned. Plaintext files are "encrypted" with rot13.

sudo apt-get install gcipher

$ cat /usr/share/games/fortunes/off/spam | gcipher -C Rot -k 13 > spam2
$ head -1 spam2
Today's spam:
$ grep -v "Today's spam:" spam2 > out && mv out spam2
$ strfile -r spam2
"spam2.dat" created
There were 1011 strings
Longest string: 2540 bytes
Shortest string: 15 bytes
$ sudo cp spam2.dat /usr/share/games/fortunes/off/

$ fortune -o spam2

Do not visit this illegal websites!