SFTP (Secure File Transfer Protocol) is a secure way to transfer files between a local system and a remote server. It provides a reliable and encrypted method for transferring files over a network. In this article, we will learn how to rename multiple files in Linux using SFTP.
Renaming files is a common task when managing files on a remote server. With SFTP, we can easily rename files using the mv command. The mv command allows us to rename a single file, but it can also be used with wildcards to rename multiple files at once.
Before we begin, make sure you have SFTP access to the remote server and have a basic understanding of the Linux command line.
Renaming a Single File
To rename a single file using SFTP, we can use the following command:
mv old_filename new_filename
Replace old_filename with the current name of the file and new_filename with the desired new name. For example, to rename a file named file1.txt to new_file1.txt, we would use the following command:
mv file1.txt new_file1.txt
This will rename the file from file1.txt to new_file1.txt.
Renaming Multiple Files with Wildcards
If you want to rename multiple files at once, you can use wildcards with the mv command. Wildcards are special characters that represent one or more characters in a filename.
For example, the asterisk (*) wildcard represents any number of characters. To rename all files in a directory that start with file and end with .txt, we can use the following command:
mv file*.txt new_file*.txt
This command will rename all files that match the pattern file*.txt to new_file*.txt.
Similarly, you can use other wildcards like the question mark (?) to represent a single character or character range in a filename. For example, to rename files file1.txt, file2.txt, file3.txt, etc., to new_file1.txt, new_file2.txt, new_file3.txt, etc., you can use the following command:
mv file?.txt new_file?.txt
This will rename all files that match the pattern file?.txt to new_file?.txt.
Renaming Files in Subdirectories
If you want to rename files in subdirectories as well, you can use the -R option with the mv command. The -R option stands for recursive and allows the mv command to work on directories and their contents recursively.
For example, to rename all files in the current directory and its subdirectories that match the pattern file*.txt to new_file*.txt, you can use the following command:
mv -R file*.txt new_file*.txt
This will rename all matching files in the current directory and its subdirectories.
Conclusion
Renaming multiple files in Linux using SFTP is a straightforward process. By using the mv command with wildcards, you can easily rename files based on patterns. Remember to be cautious while renaming files, as it can affect the functionality of your applications or scripts that rely on specific filenames.
References
| https://linux.die.net/man/1/mv | Linux man page for the mv command |
| https://www.digitalocean.com/community/tutorials/how-to-use-wildcards-with-apt-get | How to Use Wildcards with apt-get |