Cut command Usage explained

Cut

The Cut command extracts text columns from a text file or text stream.

Cut Grammar

[[email protected] ~]# cut-d ' delimited character '-F fieles file_name <== used to have a specific delimiter character

[[email protected] ~]# cut-c character range <== for neatly arranged information

Options and Parameters:

- D : followed by delimited characters. Used with - f ;

-F: divides a piece of information into several paragraphs according to the delimiter character of-D, and uses - f to remove the meaning of the paragraph;

-C: Remove the fixed character range in units of character (characters) ;

The PATH variable is as follows

[Email protected] ~]# echo $PATH

/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/x11r6/bin:/usr/games

# 1 | 2 | 3 | 4 | 5 | 6 | 7

To take the path variable out, I'm going to find a fifth path.

#echo $PATH | Cut-d ': '-F 5

/usr/local/bin

Take the path variable out and I'll find the third and fifth paths.

#echo $PATH | Cut-d ': '-f 3,5

/sbin:/usr/local/bin

Take the path variable out and I'll find the third to last path.

echo $PATH | Cut-d ': '-f 3-

/sbin:/usr/sbin:/usr/local/bin:/usr/x11r6/bin:/usr/games

Take the path variable out and I'll find the first to third path.

#echo $PATH | Cut-d ': '-f 1-3

/bin:/usr/bin:/sbin:

Take the path variable out, I want to find the first to third, there is a fifth path.

echo $PATH | Cut-d ': '-f 1-3,5

/bin:/usr/bin:/sbin:/usr/local/bin

Practical example : display only /etc/passwd users and shells

#cat/etc/passwd | Cut-d ': '-f 1,7

Root:/bin/bash

Daemon:/bin/sh

Bin:/bin/sh

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Cut command Usage explained