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Diff for /src/usr.bin/column/column.1 between version 1.16 and 1.17

version 1.16, 2016/03/17 07:18:34 version 1.17, 2016/10/21 07:42:17
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 The  The
 .Nm  .Nm
 utility formats its input into multiple columns.  utility formats its input into multiple columns.
 Rows are filled before columns.  Each input line provides the text for one output cell.
   Columns are filled before rows.
   .Pp
   The column width is determined by the longest input line rounded
   up to the nearest tabstop; tabstops are assumed to be at multiples
   of eight.
   Output uses tab characters to advance to the next column.
   The number of columns is chosen to fill the terminal width.
   .Pp
 Input is taken from  Input is taken from
 .Ar file  .Ar file
 operands or, by default, from the standard input.  operands or, by default, from the standard input.
 Empty lines are ignored.  Empty lines and lines containing only whitespace are ignored.
 .Pp  .Pp
 The options are as follows:  The options are as follows:
 .Bl -tag -width Ds  .Bl -tag -width Ds
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 .Ar columns  .Ar columns
 wide.  wide.
 .It Fl s Ar sep  .It Fl s Ar sep
 Specify a set of characters to be used to delimit columns for the  Specify a set of characters to delimit columns for the
 .Fl t  .Fl t
 option.  option.
   It defaults to space and tab.
 .It Fl t  .It Fl t
 Determine the number of columns the input contains and create a table.  Table mode.
 Columns are delimited with whitespace, by default, or with the characters  Each input line provides the text for one output row.
 supplied using the  It is split into cells using the
 .Fl s  .Fl s
 option.  option.
 Useful for pretty-printing displays.  Leading, trailing, and multiple adjacent delimiters are ignored.
   Each column is as wide as the widest cell in it.
   Columns are separated by two spaces.
 .It Fl x  .It Fl x
 Fill columns before filling rows.  Fill rows before filling columns.
 .El  .El
 .Sh ENVIRONMENT  .Sh ENVIRONMENT
 .Bl -tag -width COLUMNS  .Bl -tag -width LC_CTYPE
 .It Ev COLUMNS  .It Ev COLUMNS
 If set to a positive integer,  If set to a positive integer,
 output is formatted to the given width in (terminal) columns.  output is formatted to the given width in display columns.
 Otherwise,  Otherwise,
 .Nm  .Nm
 defaults to the terminal width, or 80 columns if the output is not a terminal.  defaults to the terminal width, or 80 columns if the output is not a terminal.
   .It Ev LC_CTYPE
   The character encoding
   .Xr locale 1 .
   It decides which byte sequences form characters, what their display
   width is, and which characters are whitespace.
   If unset or set to
   .Qq C ,
   .Qq POSIX ,
   or an unsupported value, each byte except the tab is treated as a
   character of display width 1.
 .El  .El
 .Sh EXIT STATUS  .Sh EXIT STATUS
 .Ex -std column  .Ex -std column
Legend:
Removed from v.1.16  
changed lines
  Added in v.1.17