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https://github.com/agilecreativity/ebooks_renamer

Rename multiple ebook files based on available embedded metadata (pure ruby implementation version)
https://github.com/agilecreativity/ebooks_renamer

automation command-line epub pdf rename-files ruby

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Rename multiple ebook files based on available embedded metadata (pure ruby implementation version)

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## ebooks_renamer

[![Gem Version](https://badge.fury.io/rb/ebooks_renamer.svg)][gem]
[![Dependency Status](https://gemnasium.com/agilecreativity/ebooks_renamer.png)][gemnasium]
[![Code Climate](https://codeclimate.com/github/agilecreativity/ebooks_renamer.png)][codeclimate]

[gem]: http://badge.fury.io/rb/ebooks_renamer
[gemnasium]: https://gemnasium.com/agilecreativity/ebooks_renamer
[codeclimate]: https://codeclimate.com/github/agilecreativity/ebooks_renamer

Rename multiple ebook files using the power of ruby.
This is the alternate version of my [ebook_renamer][] gem that implemented in
pure ruby using the power of other gems for metadata extraction.

The original [ebook_renamer][] gem requires the [Calibre Meta][] to be installed,
but this gem does not need any third party software to be installed.

### Features

- Rename multiple ebooks at once currently `epub`, `mobi` and `pdf` are supported.

- Use of the following information as part of the file

* title - common for (epub, pdf, mobi)
* author - common for (epub, pdf, mobi)
* total pages - currently only pdf file will have this metadata information
* publisher - common for (mobi, epub)

The output file will be something like (if all of the metadata are available)

```
# if '_' is the `--sep-string` is '_'
_by____pages.extension

# The minimal possible final file name will be
.extension
```

If the title is not available then no action will be performed.

- Use feature of other ruby gems to extract metadata
* [pdf-reader][] gem to extract pdf metadata
* [mobi][] gem to extract mobi metadata
* [epubinfo][] gem to extract epub metadat

- Sanitized file name if the metadata contain invalid/special characters.

- If the metadata is not available then the rename will not be performed

- If the result name is the same as the original name then no rename is performed.

### Installation

Or install it yourself as:

$ gem install ebooks_renamer

### Usage
- For help and usage just type `ebooks_renamer` without any options

```
Usage:
ebooks_renamer

Options:
-b, [--base-dir=BASE_DIR] # Base directory
# Default: . (current directory)
-r, [--recursive], [--no-recursive] # Search for files recursively
# Default: true
-v, [--version], [--no-version] # Display version information
-s, [--sep-string=SEP_STRING] # Separator string between words in filename
# Default: .
-c, [--commit], [--no-commit] # Make change permanent

Rename ebooks based on given criteria
```

### Usage Example:

Here is your typical usage of the gem

```shell
# change to the directory that contain your ebook files
cd ~/Dropbox/ebooks

# set version of your ruby to a recent version
rbenv local 2.1.2 # or any version after 1.9+

# install the gem
gem install ebooks_renamer

# run the command without making any changes
ebooks_renamer --base-dir . --recursive

# If you are happy with what will be changed then you can make your change permanent

ebooks_renamer --base-dir . --recursive --commit

# To change the default separator string `sep_string` (default to '.' - dot string)
# e.g. this will use the '_' (underscore) to separate each word in the output
ebooks_renamer rename --base-dir . --sep-string '_' --recursive --commit
```

### Contributing

1. Fork it
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create new Pull Request

[ebook_renamer]: https://github.com/agilecreativity/filename_cleaner
[mobi]: https://rubygems.org/gems/mobi
[pdf-reader]: https://rubygems.org/gems/pdf-reader
[epubinfo]: https://rubygems.org/gems/epubinfo
[Calibre Meta]: http://manual.calibre-ebook.com/cli/ebook-meta.html