.TH ROT13 1

.SH NAME

rot13 \(en encrypt or 13-degree caesar-rotated text

.SH DESCRIPTION

Rot13 writes to standard output each character from standard input, rotated
around the Alphabet 13 places.
.PP
Non-Alphabet characters are left unchanged.

.SH DECRYPTION

A character rotated 13 places around the Alphabet can be rotated again the same
number of places to be decrypted.

.SH DIAGNOSTICS

Rot13 will exit with the appropriate status from sysexits(3).

.SH COPYRIGHT

Public domain.

.SH SEE ALSO

caesar(1), rot(1)