In this tutorial, How do I use the rev command used to reverse the character of the line in Linux? Linux the essential for DevOps Roles. Now, let’s rev command in Linux.
The syntax rev command in Linux
rev [option] [file...]On the man page, the describes it
- rev – reverse lines characterwise.
- man rev – More details information about rev command.
For example
Use rev command reverses the output of hostname command as below
[root@ip-10-0-0-236 ~]# hostname
ip-10-0-0-236.us-east-2.compute.internal
[root@ip-10-0-0-236 ~]# hostname | rev
lanretni.etupmoc.2-tsae-su.632-0-0-01-pi
[root@ip-10-0-0-236 ~]#
How to get 8 last character use combine rev command and cut command 🙂
[root@ip-10-0-0-236 ~]# hostname
ip-10-0-0-236.us-east-2.compute.internal
[root@ip-10-0-0-236 ~]# hostname | rev | cut -b 1-8 | rev
internalSorting File Lines by Last Character
[ec2-user@ip-172-31-45-95 ~]$ cat domain.txt
devopsroles.com
abc.xyz
huuphan.com
[ec2-user@ip-172-31-45-95 ~]$ cat domain.txt | rev | sort | rev
huuphan.com
devopsroles.com
abc.xyzConclusion
Through the article, you can use rev command examples in Linux as above. I hope will this your helpful. rev Command – Reverse Order of Characters on Command-Line. Thank you for reading the DevopsRoles page!
