結合rpm,rpm2cpio,cpio提取rpm包的特定文件
http://snailwarrior.blog.51cto.com/680306/145588
[root@pps tmp]# rpm -qf /etc/mail/sendmail.mc
sendmail-8.13.8-2.el5
[root@pps tmp]# rpm -qlp sendmail-8.13.8-2.el5.i386.rpm | grep sendmail.mc
warning: sendmail-8.13.8-2.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
/etc/mail/sendmail.mc
[root@pps tmp]# rpm2cpio sendmail-8.13.8-2.el5.i386.rpm | cpio -t | grep sendmail.mc
2570 blocks
./etc/mail/sendmail.mc
[root@pps tmp]# rpm2cpio sendmail-8.13.8-2.el5.i386.rpm | cpio -idv ./etc/mail/sendmail.mc
./etc/mail/sendmail.mc
2570 blocks
-t 列出的意思,和"--list"等同,注意,此時列出的是“相對路徑”
-i 抽取的意思,和"--extract"等同
-d 建立目錄,和"--make-directories"等同
-v 冗餘信息輸出,和"--verbose"等同
-q --query 查詢