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Annotation of src/usr.bin/column/column.1, Revision 1.18

1.18    ! schwarze    1: .\"    $OpenBSD: column.1,v 1.17 2016/10/21 07:42:17 schwarze Exp $
1.1       deraadt     2: .\"    $NetBSD: column.1,v 1.3 1995/03/26 09:08:28 glass Exp $
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                      4: .\" Copyright (c) 1989, 1990, 1993
                      5: .\"    The Regents of the University of California.  All rights reserved.
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                      7: .\" Redistribution and use in source and binary forms, with or without
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                     10: .\" 1. Redistributions of source code must retain the above copyright
                     11: .\"    notice, this list of conditions and the following disclaimer.
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                     13: .\"    notice, this list of conditions and the following disclaimer in the
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1.9       millert    15: .\" 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    16: .\"    may be used to endorse or promote products derived from this software
                     17: .\"    without specific prior written permission.
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                     19: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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                     31: .\"     @(#)column.1   8.1 (Berkeley) 6/6/93
                     32: .\"
1.18    ! schwarze   33: .Dd $Mdocdate: October 21 2016 $
1.7       aaron      34: .Dt COLUMN 1
1.1       deraadt    35: .Os
                     36: .Sh NAME
                     37: .Nm column
                     38: .Nd columnate lists
                     39: .Sh SYNOPSIS
                     40: .Nm column
                     41: .Op Fl tx
                     42: .Op Fl c Ar columns
                     43: .Op Fl s Ar sep
                     44: .Op Ar
                     45: .Sh DESCRIPTION
                     46: The
1.4       aaron      47: .Nm
1.1       deraadt    48: utility formats its input into multiple columns.
1.17      schwarze   49: Each input line provides the text for one output cell.
                     50: Columns are filled before rows.
                     51: .Pp
                     52: The column width is determined by the longest input line rounded
                     53: up to the nearest tabstop; tabstops are assumed to be at multiples
                     54: of eight.
                     55: Output uses tab characters to advance to the next column.
                     56: The number of columns is chosen to fill the terminal width.
                     57: .Pp
1.1       deraadt    58: Input is taken from
                     59: .Ar file
1.14      jmc        60: operands or, by default, from the standard input.
1.17      schwarze   61: Empty lines and lines containing only whitespace are ignored.
1.1       deraadt    62: .Pp
                     63: The options are as follows:
                     64: .Bl -tag -width Ds
1.3       aaron      65: .It Fl c Ar columns
1.1       deraadt    66: Output is formatted for a display
                     67: .Ar columns
                     68: wide.
1.3       aaron      69: .It Fl s Ar sep
1.17      schwarze   70: Specify a set of characters to delimit columns for the
1.1       deraadt    71: .Fl t
                     72: option.
1.17      schwarze   73: It defaults to space and tab.
1.1       deraadt    74: .It Fl t
1.17      schwarze   75: Table mode.
                     76: Each input line provides the text for one output row.
                     77: It is split into cells using the
1.1       deraadt    78: .Fl s
                     79: option.
1.17      schwarze   80: Leading, trailing, and multiple adjacent delimiters are ignored.
                     81: Each column is as wide as the widest cell in it.
                     82: Columns are separated by two spaces.
1.1       deraadt    83: .It Fl x
1.17      schwarze   84: Fill rows before filling columns.
1.1       deraadt    85: .El
                     86: .Sh ENVIRONMENT
1.17      schwarze   87: .Bl -tag -width LC_CTYPE
1.1       deraadt    88: .It Ev COLUMNS
1.15      bentley    89: If set to a positive integer,
1.17      schwarze   90: output is formatted to the given width in display columns.
1.15      bentley    91: Otherwise,
                     92: .Nm
                     93: defaults to the terminal width, or 80 columns if the output is not a terminal.
1.17      schwarze   94: .It Ev LC_CTYPE
                     95: The character encoding
                     96: .Xr locale 1 .
                     97: It decides which byte sequences form characters, what their display
                     98: width is, and which characters are whitespace.
                     99: If unset or set to
                    100: .Qq C ,
                    101: .Qq POSIX ,
                    102: or an unsupported value, each byte except the tab is treated as a
                    103: character of display width 1.
1.1       deraadt   104: .El
1.13      jmc       105: .Sh EXIT STATUS
                    106: .Ex -std column
1.1       deraadt   107: .Sh SEE ALSO
                    108: .Xr colrm 1 ,
1.18    ! schwarze  109: .Xr fmt 1 ,
1.1       deraadt   110: .Xr paste 1 ,
1.18    ! schwarze  111: .Xr rs 1
1.1       deraadt   112: .Sh HISTORY
                    113: The
                    114: .Nm
1.6       aaron     115: command appeared in
1.1       deraadt   116: .Bx 4.3 Reno .