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This article mainly explains "the usage of the Linux basic command colrm". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "the usage of the Linux basic command colrm".

Colrm

Reads data from standard input, deletes the specified column, and sends it to standard output. If called with one parameter, the column of each row is deleted starting with the specified column. If called with two parameters, the column from the first column to the last column is deleted. The column number starts with column 1.

The scope of this command: RedHat, RHEL, Ubuntu, CentOS, SUSE, openSUSE, Fedora.

1. Grammar

Colrm [startcol] [endcol]

2. List of options

None

3. Examples

1) delete the column after column 5

[root@192 weijie] # cat 1.c / / display content

Hello world

I am david

Love linux

This code

Nihao ed

[root@192 weijie] # colrm 5 < 1.c / / after deleting column 5

Hell

I am

Love

This

Niha

2) Delete 5'9 columns

[root@192 weijie] # colrm 5 9 < 1.c / / Delete 5'9 columns

Hellld

I amd

Lovex

This

Niha

3) do not delete, show all

[root@192 weijie] # colrm < 1.c / / No columns are specified, and all

Hello world

I am david

Love linux

This code

Nihao ed

Thank you for your reading, the above is the content of "the usage of the Linux basic command colrm". After the study of this article, I believe you have a deeper understanding of the usage of the Linux basic command colrm, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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