1993-03-21 12:45:37 +03:00
|
|
|
.\" Copyright (c) 1980 The Regents of the University of California.
|
|
|
|
|
.\" All rights reserved.
|
|
|
|
|
.\"
|
|
|
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
|
|
|
.\" modification, are permitted provided that the following conditions
|
|
|
|
|
.\" are met:
|
|
|
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
|
|
|
.\" 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.
|
|
|
|
|
.\"
|
|
|
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
.\" SUCH DAMAGE.
|
|
|
|
|
.\"
|
1993-08-01 11:22:47 +04:00
|
|
|
.\" from: @(#)fold.1 6.5 (Berkeley) 5/6/91
|
1993-08-28 08:30:00 +04:00
|
|
|
.\" $Id: fold.1,v 1.4 1993/08/28 04:30:00 jtc Exp $
|
1993-03-21 12:45:37 +03:00
|
|
|
.\"
|
|
|
|
|
.Dd May 6, 1991
|
|
|
|
|
.Dt FOLD 1
|
|
|
|
|
.Os
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm fold
|
|
|
|
|
.Nd "fold long lines for finite width output device"
|
|
|
|
|
.Sh SYNOPSIS
|
|
|
|
|
.Nm fold
|
1993-08-28 08:30:00 +04:00
|
|
|
.Op Fl bs
|
1993-03-21 12:45:37 +03:00
|
|
|
.Op Fl w Ar width
|
|
|
|
|
.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 maximum of 80 characters.
|
|
|
|
|
.Pp
|
|
|
|
|
The options are as follows:
|
|
|
|
|
.Bl -tag -width indent
|
1993-07-20 03:22:09 +04:00
|
|
|
.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).
|
1993-03-21 12:45:37 +03:00
|
|
|
.It Fl w
|
|
|
|
|
Specifies a line width to use instead of the default 80 characters.
|
1993-07-20 03:22:09 +04:00
|
|
|
.El
|
1993-08-28 08:30:00 +04:00
|
|
|
.Pp
|
|
|
|
|
The
|
|
|
|
|
.Nm fold
|
|
|
|
|
utility exits 0 on success, and >0 if an error occurs.
|
1993-07-20 03:22:09 +04:00
|
|
|
.Sh SEE ALSO
|
|
|
|
|
.Xr expand 1
|
1993-08-28 08:30:00 +04:00
|
|
|
.Sh STANDARDS
|
|
|
|
|
The
|
|
|
|
|
.Nm fold
|
|
|
|
|
utility conforms to
|
|
|
|
|
.St -p1003.2-92 .
|
1993-07-20 03:22:09 +04:00
|
|
|
.Sh BUGS
|
|
|
|
|
If underlining is present it may be messed up by folding.
|
|
|
|
|
.Pp
|
1993-03-21 12:45:37 +03:00
|
|
|
.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 .
|
