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https://github.com/laurent22/massren

massren - easily rename multiple files using your text editor
https://github.com/laurent22/massren

go linux osx rename-files text-editor windows

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massren - easily rename multiple files using your text editor

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## Massren [![Build Status](https://travis-ci.org/laurent22/massren.svg?branch=master)](https://travis-ci.org/laurent22/massren)



Massren is a command line tool that can be used to rename multiple files using your own text editor. Multiple-rename tools are usually difficult to use from the command line since any regular expression needs to be escaped, and each tool uses its own syntax and flavor of regex. The advantage of massren is that you are using the text editor you use every day, and so can use all its features.



The tool works by creating a file that contains the filenames of the target directory, and opening this file in the text editor. You can then modify the filenames there directly. Once done, save the text file and the files will be renamed. Lines that are not changed will simply be ignored.



![Massren usage animation](https://raw.github.com/laurent22/massren/animation/animation.gif "Massren usage animation")



## Features



- Rename multiple files using your own text editor. It should work with any text editor, including vim, emacs, Sublime Text or notepad.



- Undo - any rename operation can be undone.



- Move files to sub-directories. See [these instructions](https://github.com/laurent22/massren/releases/tag/v1.4.0) for more information.



- Dry run mode - test the results of a rename operation without actually renaming any file.



- Cross-platform - Windows, OSX and Linux are supported.



- Safety checks - since this is a multiple rename tool, various checks are in place to ensure that nothing gets accidentally renamed. For example, the program will check that the files are not being changed by something else while the list of filenames is being edited. If the number of files before and after saving the file is different, the operation will also be cancelled.



## Installation



The latest executables for each platform are available from the [release page](https://github.com/laurent22/massren/releases).



### Mac OS



The easiest way is with Homebrew:



	brew install massren



Alternatively, the Linux method described below should work.

	

If the installation fails, please follow the [instructions below](#building-from-source).



### Linux



- [Install Go](https://golang.org/doc/install#tarball)

- Run `go install github.com/laurent22/massren@latest`



By default, the tool will be installed in `$GOPATH/bin/massren`. From there, you can either symlink it to `/bin` or add `$GOPATH/bin` to your `PATH` variable with `export PATH=$PATH:$GOPATH/bin`.



Note that it is compatible with Linuxbrew, so the same commands as for Mac OS would work too.



### Windows



The executable can be downloaded from https://github.com/laurent22/massren/releases



Note: Windows releases are discontinued as of version 1.3, as I do not know if they are used by anyone. The program still works with Windows though, and can be built and installed using the "Linux" method above. If you have any interest in maintaining the Windows releases, please let me know.



## Usage and examples



	Usage:

	  massren [OPTIONS]



	Application Options:

	  -n, --dry-run  Don't rename anything but show the operation that would have

	                 been performed.

	  -v, --verbose  Enable verbose output.

	  -c, --config   Set or list configuration values. For more info, type:

	                 massren --config --help

	  -u, --undo     Undo a rename operation. Currently delete operations cannot be

	                 undone (though files can be recovered from the trash in OSX

	                 and Windows). eg. massren --undo [path]

	  -V, --version  Displays version information.



	Help Options:

	  -h, --help     Show this help message



	Examples:



	  Process all the files in the current directory:

	  % massren



	  Process all the JPEGs in the specified directory:

	  % massren /path/to/photos/*.jpg



	  Undo the changes done by the previous operation:

	  % massren --undo /path/to/photos/*.jpg



	  Set VIM as the default text editor:

	  % massren --config editor vim



	  List config values:

	  % massren --config



## Configuration



Type `massren --help --config` (or `massren -ch`) to view the possible configuration values and defaults:



	Config commands:



	  Set a value:

	  % massren --config  



	  List all the values:

	  % massren --config



	  Delete a value:

	  % massren --config 



	Possible key/values:



	  editor:              The editor to use when editing the list of files.

	                       Default: auto-detected.



	  use_trash:           Whether files should be moved to the trash/recycle bin

	                       after deletion. Possible values: 0 or 1. Default: 1.



	  include_directories: Whether to include the directories in the file buffer.

	                       Possible values: 0 or 1. Default: 1.



	  include_header:      Whether to show the header in the file buffer. Possible

	                       values: 0 or 1. Default: 1.



	Examples:



	  Set Sublime as the default text editor:

	  % massren --config editor "subl -n -w"



	  Don't move files to trash:

	  % massren --config use_trash 0



## TODO



- Move files to trash in bulk instead of one by one.

- Detect default text editor on Windows.

- Disambiguate filenames when processing two or more folders that contain the same filenames.

- Other [various issues](https://github.com/laurent22/massren/issues).



## Building from source



- Go 1.17+ is required



		go mod tidy

		go build



## Test units



Massren functionalities are supported by a robust test suite that has nearly complete code coverage. To run the test units, type `go test -v` from the source code directory.



## License



The MIT License (MIT)



Copyright (c) 2013-2016 Laurent Cozic



Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:



The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.



THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.