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.\"	@(#)bcd.6	8.1 (Berkeley) 5/31/93
.\"	$OpenBSD: ppt.6,v 1.2 2014/11/18 02:25:12 schwarze Exp $
.\"
.Dd September 6, 2016
.Dt PPT 6
.Os
.Sh NAME
.Nm ppt
.Nd reformat input as paper tape
.Sh SYNOPSIS
.Nm
.Op Ar string ...
.Nm
.Fl d
.Op Fl b
.Sh DESCRIPTION
The
.Nm
command reads the given input and reformats it in the form of paper tape.
Acceptable input are command line arguments or the standard input.
.Pp
The options are as follows:
.Bl -tag -width 7n
.It Fl d Op Fl b
Decode paper tape on the standard input back to ASCII.
Unprintable characters are visually encoded with
.Xr vis 3
unless the
.Fl b
option (binary) is also specified.
A lowercase
.Sq x
is printed for undecipherable input lines.
.El
.Sh SEE ALSO
.Xr bcd 6
.Sh STANDARDS
.Rs
.%I ECMA-10
.%R "ECMA Standard for Data Interchange on Punched Tape"
.Re
.Sh HISTORY
The
.Nm
command first appeared in
.Bx 4.3 Tahoe .
The options
.Fl d
and
.Fl b
first appeared in
.Ox 3.3 .
.Sh AUTHORS
.An Keith Bostic
.An Paul Janzen Aq Mt pjanzen@foatdi.net
.An Michael Shalayeff Aq Mt mickey@lucifier.net