BCD(6) BSD Reference Manual BCD(6)
bcd, ppt, morse - reformat input as punch cards, paper tape or morse code
bcd [string ...] ppt [-d [-b] | string ...] morse [-d | -s] [string ...]
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. Ac- ceptable input are command line arguments or the standard input. Available options for ppt: -d [-b] The -d option for ppt decodes paper tape on the standard input back to ASCII. Unprintable characters are visually encoded with vis(3) unless the -b flag (binary) is also specified. A lowercase 'x' is printed for undecipherable input lines. Available options for morse: -d The -d option for morse decodes dot-dash morse (as generated by using the -s option) back into text. A lowercase 'x' is printed for undecipherable input; otherwise, text is re- turned uppercase. If the morse to be translated is given on the command line, it should be preceded by '--' to keep it from being mistaken for options. -s The -s option for morse produces dots and dashes rather than words.
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. MirOS BSD #10-current May 31, 1993 1
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