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.\"     @(#)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,
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 .