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.\" $OpenBSD: column.1,v 1.15 2016/03/17 05:27:10 bentley Exp $
.\" $NetBSD: column.1,v 1.3 1995/03/26 09:08:28 glass Exp $
.\"
.\" Copyright (c) 1989, 1990, 1993
.\" 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. 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.
.\"
.\" @(#)column.1 8.1 (Berkeley) 6/6/93
.\"
.Dd $Mdocdate: March 17 2016 $
.Dt COLUMN 1
.Os
.Sh NAME
.Nm column
.Nd columnate lists
.Sh SYNOPSIS
.Nm column
.Op Fl tx
.Op Fl c Ar columns
.Op Fl s Ar sep
.Op Ar
.Sh DESCRIPTION
The
.Nm
utility formats its input into multiple columns.
Rows are filled before columns.
Input is taken from
.Ar file
operands or, by default, from the standard input.
Empty lines are ignored.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl c Ar columns
Output is formatted for a display
.Ar columns
wide.
.It Fl s Ar sep
Specify a set of characters to be used to delimit columns for the
.Fl t
option.
.It Fl t
Determine the number of columns the input contains and create a table.
Columns are delimited with whitespace, by default, or with the characters
supplied using the
.Fl s
option.
Useful for pretty-printing displays.
.It Fl x
Fill columns before filling rows.
.El
.Sh ENVIRONMENT
.Bl -tag -width COLUMNS
.It Ev COLUMNS
If set to a positive integer,
.Nm Ns 's
output is formatted to the given width in (terminal) columns.
Otherwise,
.Nm
defaults to the terminal width, or 80 columns if the output is not a terminal.
.El
.Sh EXIT STATUS
.Ex -std column
.Sh EXAMPLES
List the current working directory's contents, in detail,
with nicely formatted headings for each of the fields:
.Bd -literal -offset 4n
$ (echo "PERM LINKS OWNER GROUP SIZE MONTH DAY HH:MM/YEAR NAME" ; \e
ls -l | sed 1d) | column -t
.Ed
.Sh SEE ALSO
.Xr colrm 1 ,
.Xr ls 1 ,
.Xr paste 1 ,
.Xr sort 1
.Sh HISTORY
The
.Nm
command appeared in
.Bx 4.3 Reno .
|
