BSD General Commands Manual
column — columnate lists
column [ −ntx] [ −c columns] [ −s sep] [file ...]
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken
from file operands, or, by default, from the standard input. Empty lines are ignored.
The options are as follows:
Output is formatted for a display columns wide.
Specify a set of characters to be used to delimit columns for the −t option.
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 −s option. Useful for
Fill columns before filling rows.
By default, the column command will merge multiple adjacent delimiters into a single delimiter
when using the −-t option; this option disables that behavior. This option is a Debian GNU/Linux
The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as
described in environ(7).
The column utility exits 0 on success, and >0 if an error occurs.
(printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; \
printf "HH:MM/YEAR NAME\n" ; \
ls -l | sed 1d) | column -t
colrm(1), ls(1), paste(1), sort(1)
The column command appeared in 4.3BSD−Reno.
Input lines are limited to LINE_MAX (2048) bytes in length.
July 29, 2004