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COLUMN

Section: User Commands (1)
Updated: July 2014
Index Return to Main Contents
 

NAME

column - columnate lists  

SYNOPSIS

column [options] [file...]  

DESCRIPTION

The column utility formats its input into multiple columns. By default, rows are filled before columns. Input is taken from file, or otherwise from standard input. Empty lines are ignored.

 

OPTIONS

-c, --columns width
Output is formatted to a width specified as number of characters.
-o, --output-separator string
Specify the columns delimiter for table output (default is two spaces).
-s, --separator separators
Specify the possible input item delimiters (default is whitespace).
-t, --table
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 --output-separator option. Table output is useful for pretty-printing.
-x, --fillrows
Fill columns before filling rows.
-V, --version
Display version information and exit.
-h, --help
Display help text and exit.
 

ENVIRONMENT

The environment variable COLUMNS is used to determine the size of the screen if no other information is available.  

EXAMPLES

sed 's/#.*//' /etc/fstab | column -t
 

BUGS

Version 2.23 changed the -s option to be non-greedy, for example:

printf "a:b:c\n1::3\n" | column -t -s ':'

Old output: a b c 1 3

New output (since util-linux 2.23): a b c 1 3  

SEE ALSO

colrm(1), ls(1), paste(1), sort(1)  

HISTORY

The column command appeared in 4.3BSD-Reno.  

AVAILABILITY

The column command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
ENVIRONMENT
EXAMPLES
BUGS
SEE ALSO
HISTORY
AVAILABILITY


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