.\"	$OpenBSD: fold.1,v 1.3 1998/09/26 19:54:44 aaron Exp $
.\"	$NetBSD: fold.1,v 1.5 1995/09/01 01:42:42 jtc Exp $
.\"
.\" Copyright (c) 1980, 1993
.\"	The Regents of the University of California.  All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. 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.
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.\"	@(#)fold.1	8.1 (Berkeley) 6/6/93
.\"
.Dd June 6, 1993
.Dt FOLD 1
.Os
.Sh NAME
.Nm fold
.Nd fold long lines for finite width output device
.Sh SYNOPSIS
.Nm fold
.Op Fl bs
.Op Fl w Ar width
.Ar file Op Ar ...
.Sh DESCRIPTION
.Nm fold
is a filter which folds the contents of the specified files,
or the standard input if no files are specified,
breaking the lines to have a maximum of 80 characters.
.Pp
The options are as follows:
.Bl -tag -width indent
.It Fl b
Count
.Ar width
in bytes rather than column positions.
.It Fl s
Fold line after the last blank character within the first
.Ar width
column positions (or bytes).  
.It Fl w
Specifies a line width to use instead of the default 80 characters.
.El
.Pp
The 
.Nm fold
utility exits 0 on success or >0 if an error occurred.
.Sh SEE ALSO
.Xr expand 1
.Sh STANDARDS
The 
.Nm fold
utility conforms to 
.St -p1003.2-92 .
.Sh BUGS
If underlining is present it may be messed up by folding.
.Pp
.Ar width
should be a multiple of 8 if tabs are present, or the tabs should
be expanded using
.Xr expand 1
before using
.Nm fold .