Linux系统中默认没法解压rar文件，之前碰到过zip文件，可以使用zip和unzip来搞定，虽然也不是默认的，但是安装起来比较方便，直接yum就OK了，今天来看一下如何安装rar解压工具。
下图中看到，有两个rar，但是我一直解压不了，惨的一批：
按照我一贯的作风，是非要去官网下载的，但是这次时间有限，不知道找的这个是不是官网：/download.htm，转了好半天才出来，就在我准备开VPN的时候，竟然加载完了，据说这个东西好像还不是免费的，也不知道我找的这个能用多久。。。
下载的是一个tart.gz文件，解压之后，里面有两个shell脚本：
直接make：
还以为又是噼里啪啦一堆日志，没想到竟然这么少，而且看日志信息，似乎就是拷贝了两个shell脚本到/usr/local/bin下面。
现在就可以使用unrar命令进行解压了：unrar e
[root@iZbp16sksdu04rk7tj72xdZ 0425]# unrar e 8b668ce8-7a3c-4fe5-b3e8-6c0797ce7176.rar
UNRAR 5.71 beta 2 freeware Copyright (c) 1993- Alexander Roshal
Extracting from 8b668ce8-7a3c-4fe5-b3e8-6c0797ce7176.rar
Extracting pom.xml OK
Extracting BaseController.java OK
Extracting BookController.java OK
Extracting SchoolController.java OK
Extracting StudentController.java OK
Extracting BaseDao.java OK
Extracting BookDao.java OK
Extracting BookDaoImpl.java OK
Extracting SchoolDaoImpl.java OK
Extracting StudentDaoImpl.java OK
Extracting SchoolDao.java OK
Extracting StudentDao.java OK
Extracting Book.java OK
Extracting School.java OK
Extracting Student.java OK
Extracting BookService.java OK
Extracting BookServiceImpl.java OK
Extracting SchoolServiceImpl.java OK
Extracting StudentServiceImpl.java OK
Extracting SchoolService.java OK
Extracting StudentService.java OK
Extracting applicationContext.xml OK
Extracting hibernate.cfg.xml OK
Extracting Book.hbm.xml OK
Extracting School.hbm.xml OK
Extracting Student.hbm.xml OK
Extracting struts.xml OK
Extracting wolff.sql OK
Extracting book_list.jsp OK
Extracting book_maintain.jsp OK
Extracting index.jsp OK
Extracting jquery-1.9.0.min.js OK
Extracting school_list.jsp OK
Extracting school_maintain.jsp OK
Extracting student_list.jsp OK
Extracting student_maintain.jsp OK
Extracting web.xml OK
All OK
[root@iZbp16sksdu04rk7tj72xdZ 0425]#
rar命令相关的用法如下：
UNRAR 5.71 beta 2 freeware Copyright (c) 1993- Alexander Roshal
Usage: unrar - -
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 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 Additionally filter included files
n@ Read additional filter masks from stdin
n@ Read additional filter masks from list file
o[+|-] Set the overwrite mode
ol[a] Process symbolic links as the link [absolute paths]
or Rename files automatically
ow Save or restore file owner and group
p[password] Set password
p- Do not query password
r Recurse subdirectories
sc[obj] Specify the character set
sl Process files with size less than specified
sm Process files with size more than specified
ta[mcao] Process files modified after YYYYMMDDHHMMSS date
tb[mcao] Process files modified before YYYYMMDDHHMMSS date
tn[mcao] Process files newer than time
to[mcao] Process files older than time
ts[m,c,a] 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 Exclude specified file
x@ Read file names to exclude from stdin
x@ Exclude files listed in specified list file
y Assume Yes on all queries
