colrm — remove columns from a file
Examples (TL;DR)
-
Remove first column of
stdin
:colrm 1 1
-
Remove from 3rd column till the end of each line:
colrm 3
-
Remove from the 3rd column till the 5th column of each line:
colrm 3 5
Synopsis
colrm [first [last]]
Description
colrm removes selected columns from a file. Input is taken from standard input. Output is sent to standard output.
If called with one parameter the columns of each line will be removed starting with the specified first column. If called with two parameters the columns from the first column to the last column will be removed.
Column numbering starts with column 1.
Options
- -V, --version
Display version information and exit.
- -h, --help
Display help text and exit.
See Also
History
The colrm command appeared in 3.0BSD.
Availability
The colrm command is part of the util-linux package and is available from Linux Kernel Archive.
Referenced By
September 2011 util-linux