1.\" Copyright (c) 1980, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)fold.1 8.1 (Berkeley) 6/6/93 29.\" $FreeBSD: src/usr.bin/fold/fold.1,v 1.3.2.6 2002/07/11 01:01:44 tjr Exp $ 30.\" $DragonFly: src/usr.bin/fold/fold.1,v 1.2 2003/06/17 04:29:26 dillon Exp $ 31.\" 32.Dd April 17, 2002 33.Dt FOLD 1 34.Os 35.Sh NAME 36.Nm fold 37.Nd "fold long lines for finite width output device" 38.Sh SYNOPSIS 39.Nm 40.Op Fl bs 41.Op Fl w Ar width 42.Op Ar 43.Sh DESCRIPTION 44The 45.Nm 46utility is a filter which folds the contents of the specified files, 47or the standard input if no files are specified, 48breaking the lines to have a maximum of 80 columns. 49.Pp 50The options are as follows: 51.Bl -tag -width indent 52.It Fl b 53Count 54.Ar width 55in bytes rather than column positions. 56.It Fl s 57Fold line after the last blank character within the first 58.Ar width 59column positions (or bytes). 60.It Fl w Ar width 61Specify a line width to use instead of the default 80 columns. 62.Ar Width 63should be a multiple of 8 if tabs are present, or the tabs should 64be expanded using 65.Xr expand 1 66before using 67.Nm . 68.El 69.Sh SEE ALSO 70.Xr expand 1 71.Sh STANDARDS 72The 73.Nm 74utility conforms to 75.St -p1003.1-2001 . 76.Sh BUGS 77If underlining is present it may be messed up by folding. 78