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Annotation of src/usr.bin/column/column.1, Revision 1.17

1.17    ! schwarze    1: .\"    $OpenBSD: column.1,v 1.16 2016/03/17 07:18:34 jmc Exp $
1.1       deraadt     2: .\"    $NetBSD: column.1,v 1.3 1995/03/26 09:08:28 glass Exp $
                      3: .\"
                      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
                      8: .\" modification, are permitted provided that the following conditions
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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.
                     12: .\" 2. Redistributions in binary form must reproduce the above copyright
                     13: .\"    notice, this list of conditions and the following disclaimer in the
                     14: .\"    documentation and/or other materials provided with the distribution.
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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                     30: .\"
                     31: .\"     @(#)column.1   8.1 (Berkeley) 6/6/93
                     32: .\"
1.16      jmc        33: .Dd $Mdocdate: March 17 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
1.10      jmc       107: .Sh EXAMPLES
1.12      jmc       108: List the current working directory's contents, in detail,
                    109: with nicely formatted headings for each of the fields:
                    110: .Bd -literal -offset 4n
                    111: $ (echo "PERM LINKS OWNER GROUP SIZE MONTH DAY HH:MM/YEAR NAME" ; \e
                    112:        ls -l | sed 1d) | column -t
                    113: .Ed
1.1       deraadt   114: .Sh SEE ALSO
                    115: .Xr colrm 1 ,
                    116: .Xr ls 1 ,
                    117: .Xr paste 1 ,
                    118: .Xr sort 1
                    119: .Sh HISTORY
                    120: The
                    121: .Nm
1.6       aaron     122: command appeared in
1.1       deraadt   123: .Bx 4.3 Reno .