Linux cli command rename

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command rename and provides detailed information about the command rename, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the rename.

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NAME 🖥️ rename 🖥️

rename - renames multiple files

SYNOPSIS

file-rename [ -h|-m|-V ] [ -v ] [ -0 ] [ -n ] [ -f ] [ -d ] [ -u [enc]] [ -e|-E perlexpr]*|perlexpr [ files ]

DESCRIPTION

file-rename renames the filenames supplied according to the rule specified as the first argument. The perlexpr argument is a Perl expression which is expected to modify the $_ string in Perl for at least some of the filenames specified. If a given filename is not modified by the expression, it will not be renamed. If no filenames are given on the command line, filenames will be read via standard input.

Examples (Larry Wall, 1992)

For example, to rename all files matching *.bak to strip the extension, you might say

file-rename – s/\bak$// *.bak

To translate uppercase names to lower, you’d use

file-rename y/A-Z/a-z/ ./*

Examples rewritten to avoid globs which could inject options.

More examples (2020)

You can also use rename to move files between directories, possibly at the same time as making other changes (but see –filename)

file-rename y/A-Z/a-z/;s/^/my_new_dir/ ./*.*

You can also write the statements separately (see -e/-E)

file-rename -E y/A-Z/a-z/ -E s/^/my_new_dir/ – *.*

You can use the predefined variables $a, $b in the code; for instance to create sequences of numbers

rename -e $a++;s/\w+/file_$a/ – *.*

OPTIONS

-v, –verbose
Verbose: print names of files successfully renamed.

-0, –null
Use � as record separator when reading from STDIN.

-n, –nono
No action: print names of files to be renamed, but don’t rename.

-f, –force
Over write: allow existing files to be over-written.

–path, –fullpath
Rename full path: including any directory component. DEFAULT

-d, –filename, –nopath, –nofullpath
Do not rename directory: only rename filename component of path.

-h, –help
Help: print SYNOPSIS and OPTIONS.

-m, –man
Manual: print manual page.

-V, –version
Version: show version number.

-u, –unicode [encoding]
Treat filenames as perl (unicode) strings when running the user-supplied code. Decode/encode filenames using encoding, if present. encoding is optional: if omitted, the next argument should be an option starting with ‘-’, for instance -e.

-e
Expression: code to act on files name. May be repeated to build up code (like perl -e). If no -e, the first argument is used as code.

-E
Statement: code to act on files name, as -e but terminated by ‘;’.

ENVIRONMENT

No environment variables are used.

AUTHOR

Larry Wall

SEE ALSO

mv (1), perl (1)

DIAGNOSTICS

If you give an invalid Perl expression you’ll get a syntax error.

BUGS

The original rename did not check for the existence of target filenames, so had to be used with care.

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