libexif-ruby software package provides Ruby library for EXIF tag parsing (transitional package), you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libexif-ruby
libexif-ruby is installed in your system.
Make ensure the libexif-ruby package were installed using the commands given below,
$ sudo dpkg-query -l | grep libexif-ruby *
You will get with libexif-ruby package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Old Libraries |
| Package | libexif-ruby |
| Version | 0.1.2-20 |
| Description | Ruby library for EXIF tag parsing (transitional package) |
| Sub Section | oldlibs |