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We can rename files and directories using the renameand commands in Linux terminal . The command can rename only one file at a time, but the command can rename multiple files at the same time.mvmvrename

mvRename files and directories using the command

mvThe command can rename files and directories. It is also used to move files and directories from one location to another.

mvCommand Syntax

mv [OPTIONS] source destination

sourceCan be one or more files or directories, destinationalways one file or directory.

If we have multiple files or directories as source, the destination is always a directory. In this case, all source files and directories will be moved to the destination directory.

If we put a file as the source file and a directory as the destination directory, the source file is moved to the destination directory.

mvTo rename a file using , mvboth the source and destination arguments in the command must be files.

mv helloworld.py main.py

It helloworld.pyrenames the file to main.py.

We can also rename directories in the same way.

mv Programs Python-Programs

It Programsrenames the directory to Python-Programs.

mvRename multiple files with the command

As we know, mvthe command can only rename one file at a time. We can use foror whileloop to rename multiple files.

for f in *.png; do 
    mv -- "$f" "${f%.png}.jpg"
done

.pngIt renames all files in the current directory with the extension .jpg.

renameRename files and directories using the command

renameThe command is slightly more advanced than mvthe command and can rename multiple files in one step.

To install the version of in Ubuntuand , use the command.DebianPerlrename

sudo apt install rename

To install the version of the command in CentOSand , use the command.FedoraPerlrename

sudo yum install prename

To install the version of rename command in Arch Linux Perl, use this command.

yay perl-rename ## or yaourt -S perl-rename

renameCommand Syntax

rename [options] 's/old/new/' files

Example: renameRename a file using the command

rename 's/.png/.jpg/' *.png

.pngIt renames all files in the current directory .jpg.

To print the renamed file names, we use the -h option renamein the -p command -v.

rename -v 's/.jpg/.png/' *.jpg

Output:

1.jpg renamed as 1.png
bubbleheads.jpg renamed as bubbleheads.png
demo.jpg renamed as demo.png
hiss.jpg renamed as hiss.png
invoice.jpg renamed as invoice.png

.jpgIt renames all files in the current directory to .png, and prints each renamed file in the terminal.

Example: Convert file names to lowercase

rename 'y/A-Z/a-z/' *

It converts all uppercase file names in the current directory to lowercase.

Example: Convert file names to uppercase

rename 'y/a-z/A-Z/' *

It converts all lowercase letters of file names in the current directory to uppercase letters.