4.3BSD-Reno/src/usr.bin/column/column.1

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.\" Copyright (c) 1989, 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms are permitted provided
.\" that: (1) source distributions retain this entire copyright notice and
.\" comment, and (2) distributions including binaries display the following
.\" acknowledgement:  ``This product includes software developed by the
.\" University of California, Berkeley and its contributors'' in the
.\" documentation or other materials provided with the distribution and in
.\" all advertising materials mentioning features or use of this software.
.\" 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
.\"
.\"     @(#)column.1	5.6 (Berkeley) 7/24/90
.\"
.Dd July 24, 1990
.Os BSD 4.4
.Dt COLUMN 1
.Sh NAME
.Nm column
.Nd columnate lists
.Sh SYNOPSIS
.Nm column
.Oo
.Op Fl t Ar x
.Op Fl s Ar sep
.Op Fl c Ar columns
.Oo
.Cx
.Ar
.Sh DESCRIPTION
The
.Nm column
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:
.Tw Ds
.Tp Fl c
Output is formatted for a display
.Ar columns
wide.
.Tp Fl s
Specify a set of characters to be used to delimit columns for the
.Fl t
option.
.Tp Fl t
Determine the number of columns the input contains and create a table.
Columns are delimited by whitespace, by default, or by the characters
supplied using the
.Fl s
option.
Useful for pretty-printing displays.
.Tp Fl x
Fill columns before filling rows.
.Tp
.Pp
.Nm Column
exits 0 on success, >0 if an error occurred.
.Sh ENVIRONMENT
.Tw Fl
.Tp Ev COLUMNS
The environment variable
.Ev COLUMNS
is used to determine the size of
the screen if no other information is available.
.Sh EXAMPLES
.Dl (printf "PERM LINKS OWNER SIZE MONTH DAY HH:MM/YEAR NAME\en" \&;
.Dl ls -l  sed 1d) \&| column -t
.Sh SEE ALSO
.Xr colrm 1 ,
.Xr ls 1 ,
.Xr paste 1 ,
.Xr sort 1
.Sh HISTORY
4.3 Reno BSD.