🚀 go-pugleaf

>>>>> In article <1993Jan27.094456.10542@hsr.no>, frank@hsr.no (Frank
>>>>> A Stevenson) writes:

Frank> Here is a small c-source that reads from standard input and
Frank> writes the encrypted text to standard out. Note the cipher is
Frank> symmetrical and the same routine will thus encipher and
Frank> decipher a text

Frank> examples of usagege (UNIX)

Frank> %rot <infile >outfile

[ twentyish-line C program deleted ]

Hrmf.  The rot program is already there, on any Unix box.  It is
called tr:

$ rot () { tr 'a-zA-Z' 'n-za-mN-ZA-M' }
# for csh users: alias rot tr 'a-zA-Z' 'n-za-mN-ZA-M'
$ echo 'Render unto Caesar...' | rot
Eraqre hagb Pnrfne...
$ echo 'Render unto Caesar...' | rot | rot
Render unto Caesar...

[ I hope I am not violating the ITAR by posting this ... :-) ]

- Harald