minix/usr.bin/fold/fold.1

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.\" $NetBSD: fold.1,v 1.17 2012/05/12 15:17:15 wiz Exp $
.\"
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.\" @(#)fold.1 8.1 (Berkeley) 6/6/93
.\"
.Dd May 12, 2012
.Dt FOLD 1
.Os
.Sh NAME
.Nm fold
.Nd "fold long lines for finite width output device"
.Sh SYNOPSIS
.Nm
.Op Fl bs
.Op Fl w Ar width
.Op Ar
.Sh DESCRIPTION
.Nm
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 XwXwidthXX
.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).
If a blank character does not exist within the width, then
a longer line will still be split at the width.
.It Fl w Ar width
Specifies
.Ar width
to use as a line width, instead of the default 80 characters.
.El
.Sh ENVIRONMENT
.Bl -tag -width indent
.It Ev LC_CTYPE
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr expand 1 ,
.Xr fmt 1
.Sh STANDARDS
The
.Nm
utility conforms to
.St -p1003.1-2008 .
.Sh HISTORY
The
.Nm
utility appeared in
.Bx 1 .
.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 .