bcd,
ppt,
morse —
reformat input as punch cards, paper tape or morse
code
The
bcd,
ppt and
morse commands read the given input and reformat
it in the form of punched cards, paper tape or morse code respectively.
Acceptable input are command line arguments or the standard input.
Available option:
- -s
- The -s option for morse
produces dots and dashes rather than words.
- -d
- Decode ppt output, or
morse output consisting of dots and slashes
(as generated by using the -s option).
ISO 1681:1973: Information
processing--Unpunched paper cards--Specification.
ISO 1682:1973: Information
processing--80 columns punched paper cards--Dimensions and location of
rectangular punched holes.
ECMA-10: ECMA Standard for Data
Interchange on Punched Tape.
ITU-T Recommendation F.1: Operational
provisions for the international public telegram service,
Division B, I. Morse code.