ppt —
reformat input as paper tape
The ppt command reads the given input and reformats it
in the form of paper tape. Acceptable input are command line arguments or the
standard input.
The options are as follows:
-d
[-b]- Decode paper tape on the standard input back to ASCII. Unprintable
characters are visually encoded with
vis(3) unless the
-b option (binary) is also specified. A lowercase
‘x’ is printed for undecipherable input lines.
ECMA-10, ECMA Standard for
Data Interchange on Punched Tape.
The ppt command first appeared in
4.3BSD-Tahoe. The options -d
and -b first appeared in OpenBSD
3.3.