Unrar for CentOS 7

I needed to convert a rar file to a zip file on a CentOS 7 Linux system. But when I tried installing an unrar package with yum, the package manager on the system, I found none was available from any of the software repositories the system was configured to check for packages.

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# yum install unrar
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: centos.firehosted.com
 * epel: mirror.us.leaseweb.net
 * extras: centos.aol.com
 * updates: mirror.umd.edu
No package unrar available.
Error: Nothing to do
# yum install rar
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: centos.firehosted.com
 * epel: mirror.us.leaseweb.net
 * extras: centos.aol.com
 * updates: mirror.umd.edu
No package rar available.
Error: Nothing to do

I had previously installed support for the Extra Packages for Enterprise Linux (EPEL) repository, but though I thought the unrar package might be found there, it wasn't found. I did find an RPM file for the software, howerver, at RPM CentOS 7 unrar 5.0.12 x86_64 rpm. I downloaded that file with wget and, since yum can be used to install RPM files, installed it with yum.

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wget ftp://ftp.pbone.net/mirror/ftp5.gwdg.de/pub/opensuse/repositories/home:/Ken

# yum install unrar-5.0.12-2.1.x86_64.rpm
Loaded plugins: fastestmirror, langpacks
Examining unrar-5.0.12-2.1.x86_64.rpm: unrar-5.0.12-2.1.x86_64
Marking unrar-5.0.12-2.1.x86_64.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package unrar.x86_64 0:5.0.12-2.1 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

 Package     Arch         Version          Repository                      Size
 unrar       x86_64       5.0.12-2.1       /unrar-5.0.12-2.1.x86_64       270 k

Transaction Summary
Install  1 Package

Total size: 270 k
Installed size: 270 k
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : unrar-5.0.12-2.1.x86_64                                      1/1
  Verifying  : unrar-5.0.12-2.1.x86_64                                      1/1

  unrar.x86_64 0:5.0.12-2.1


The information for version 5.0.12, which is the version I installed on the system, is shown below:

# rpm -qi unrar
Name        : unrar
Version     : 5.0.12
Release     : 2.1
Architecture: x86_64
Install Date: Sun 26 Mar 2017 03:18:50 PM EDT
Group       : Applications/Archiving
Size        : 276944
License     : Freeware with further limitations
Signature   : DSA/SHA1, Wed 21 Jan 2015 09:18:00 AM EST, Key ID 0d9c9dcfa9d6e8ec
Source RPM  : unrar-5.0.12-2.1.src.rpm
Build Date  : Wed 21 Jan 2015 09:17:48 AM EST
Build Host  : cloud123
Relocations : (not relocatable)
Vendor      : obs://build.opensuse.org/home:Kenzy
URL         : http://www.rarlab.com/rar_add.htm
Summary     : Utility for extracting, testing and viewing RAR archives
Description :
The unrar utility is a freeware program for extracting, testing and
viewing the contents of archives created with the RAR archiver version
1.50 and above.

The unrar utility was installed in the /bin directory. If you wish to see the available commands and the syntax of commands, you can just issue the command unrar.

# which unrar

$ unrar

UNRAR 5.00 freeware      Copyright (c) 1993-2013 Alexander Roshal

Usage:     unrar <command> -<switch 1> -<switch N> <archive> <files...>
               <@listfiles...> <path_to_extract\>

  e             Extract files without archived paths
  l[t[a],b]     List archive contents [technical[all], bare]
  p             Print file to stdout
  t             Test archive files
  v[t[a],b]     Verbosely list archive contents [technical[all],bare]
  x             Extract files with full path

  -             Stop switches scanning
  @[+]          Disable [enable] file lists
  ad            Append archive name to destination path
  ag[format]    Generate archive name using the current date
  ai            Ignore file attributes
  ap<path>      Set path inside archive
  c-            Disable comments show
  cfg-          Disable read configuration
  cl            Convert names to lower case
  cu            Convert names to upper case
  dh            Open shared files
  ep            Exclude paths from names
  ep3           Expand paths to full including the drive letter
  f             Freshen files
  id[c,d,p,q]   Disable messages
  ierr          Send all messages to stderr
  inul          Disable all messages
  kb            Keep broken extracted files
  n<file>       Additionally filter included files
  n@            Read additional filter masks from stdin
  n@<list>      Read additional filter masks from list file
  o[+|-]        Set the overwrite mode
  or            Rename files automatically
  ow            Save or restore file owner and group
  p[password]   Set password
  p-            Do not query password
  r             Recurse subdirectories
  sl<size>      Process files with size less than specified
  sm<size>      Process files with size more than specified
  ta<date>      Process files modified after <date> in YYYYMMDDHHMMSS format
  tb<date>      Process files modified before <date> in YYYYMMDDHHMMSS format
  tn<time>      Process files newer than <time>
  to<time>      Process files older than <time>
  ts<m,c,a>[N]  Save or restore file time (modification, creation, access)
  u             Update files
  v             List all volumes
  ver[n]        File version control
  vp            Pause before each volume
  x<file>       Exclude specified file
  x@            Read file names to exclude from stdin
  x@<list>      Exclude files listed in specified list file
  y             Assume Yes on all queries

Once I had installed the unrar utility, I could use unrar x to extract the contents of the .rar file. The x option preserves the directory paths stored in the rar file. I could then use the zip command with the -r option to recursively store the contents of the directory, mods in this case, into which the contents of the rar file had been extracted, in a .zip file.

$ unrar x ../mods.rar

$ zip -r mods.zip mods/*

Download locations for unrar-5.0.12-2.1.x86_64.rpm:

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