Getting started with Linux shell scripts--cut command

Getting started with Linux shell scripts--cut command Cut

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

Cut grammar

[[email protected] ~]# Cut- D "  Delimited character   " -F fields <==   for having a specific delimiter character [[ Email protected] ~]  #  cut  - C-character interval <==   for neatly arranged information  options and Parameters: -d: followed by delimited characters. Used in conjunction with -F; -f: Divides a piece of information into segments by -d, with -f take out the meaning of paragraph;-C: Remove the fixed-character interval in units of characters (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.

#':5/usr/local/bin  

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

#Echocut':'3,5/sbin:/usr/local/bin    

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

':-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.

#':1-3    

/BIN:/USR/bin:/sbin: 

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

':-f 1-3,5 

/BIN:/USR/bin:/sbin:/usr/local/bin  

Practical Example: Display only/etc/passwd users and shells

':1,7 root:/bin/bashdaemon:/bin/shbin:/bin/sh     

Getting started with Linux shell scripts--cut command