LinuxCommandLibrary

colrm

remove columns from a file

TLDR

Remove first column of stdin

$ colrm [1 1]
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Remove from 3rd column till the end of each line
$ colrm [3]
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Remove from the 3rd column till the 5th column of each line
$ colrm [3 5]
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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

-h, --help

Display help text and exit.

-V, --version

Print version and exit.

HISTORY

The colrm command appeared in 3.0BSD.

REPORTING BUGS

For bug reports, use the issue tracker at <https://github.com/util-linux/util-linux/issues>.

AVAILABILITY

The colrm command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.

SEE ALSO

awk(1p), column(1), expand(1), paste(1)

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