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BCD(6) Games Manual BCD(6)

bcdreformat input as punch cards

bcd [-l] [string ...]

bcd -d [-l]

The bcd command reads the given input and reformats it in the form of punched cards. Acceptable input are command line arguments or the standard input.

The options are as follows:

Decode punch cards on the standard input back to ASCII.
Create or decode 80 column punch cards. The default is 48 columns.

ppt(6)

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.

The bcd command first appeared in 3BSD.

November 20, 2014 OpenBSD-6.0