4.3BSD-Reno/src/pgrm/fpr/fpr.1

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.\" Copyright (c) 1989, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Robert Corbett.
.\"
.\" Redistribution and use in source and binary forms are permitted provided
.\" that: (1) source distributions retain this entire copyright notice and
.\" comment, and (2) distributions including binaries display the following
.\" acknowledgement:  ``This product includes software developed by the
.\" University of California, Berkeley and its contributors'' in the
.\" documentation or other materials provided with the distribution and in
.\" all advertising materials mentioning features or use of this software.
.\" Neither the name of the University nor the names of its contributors may
.\" be used to endorse or promote products derived from this software without
.\" specific prior written permission.
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.\"     @(#)fpr.1	6.7 (Berkeley) 7/24/90
.\"
.Dd July 24, 1990
.Dt FPR 1
.Os BSD 4.2
.Sh NAME
.Nm fpr
.Nd print Fortran file
.Sh SYNOPSIS
.Nm fpr
.Sh DESCRIPTION
.Nm Fpr
is a filter that transforms files formatted according to
Fortran's carriage control conventions into files formatted
according to UNIX line printer conventions.
.Pp
.Nm Fpr
copies its input onto its output, replacing the carriage
control characters with characters that will produce the intended
effects when printed using
.Xr lpr  1  .
The first character of each line determines the vertical spacing as follows:
.Ds I
.Cw Character
.Cl Blank	One line
.Pp
.Cl 0	Two lines
.Cl 1	To first line of next page
.Cl +	No advance
.Cw
.De
.Pp
A blank line is treated as if its first
character is a blank. A blank that appears as a carriage control
character is deleted. A zero is changed to a newline.  A one is
changed to a form feed. The effects of a "+" are simulated using
backspaces.
.Sh EXAMPLES
.Dl a.out \&| fpr \&| lpr
.Pp
.Dl fpr \&< f77.output \&| lpr
.Sh HISTORY
.Nm Fpr
appeared in 4.2 BSD.
.Sh BUGS
Results are undefined for input lines longer than 170 characters.