grep 筛选功能使用

admin

要筛选出某个文件中的多个字符如：perl 和Installed
grep -e 'perl' -e 'Installed' /var/log/yum.log
Dec 06 23:34:03 Installed: 1:perl-parent-0.225-244.el7.noarch
4 D0 s, y0 o' XDec 06 23:34:03 Installed: perl-HTTP-Tiny-0.033-3.el7.noarch
4 e. I6 m1 T5 J% QDec 06 23:34:04 Installed: perl-podlators-2.5.1-3.el7.noarch
$ w7 ?0 G* \" ^  vDec 06 23:34:04 Installed: perl-Pod-Perldoc-3.20-4.el7.noarch
8 [) k+ F" \8 g1 a5 T7 _Dec 06 23:34:04 Installed: 1:perl-Pod-Escapes-1.04-292.el7.noarch
1 O% x- c1 n0 LDec 06 23:34:04 Installed: perl-Text-ParseWords-3.29-4.el7.noarch
Dec 06 23:34:04 Installed: perl-Encode-2.51-7.el7.x86_64
+ p( t- n4 o! eDec 06 23:34:04 Installed: perl-Pod-Usage-1.63-3.el7.noarch
Dec 06 23:34:04 Installed: 4:perl-macros-5.16.3-292.el7.x86_64

admin

除了处理文件，今天发现grep -e也可以这样使用：
   systemctl list-unit-files |grep -e glance-api -e glance-registry
8 v* ]+ O  Y/ y9 R) |* ~) N更多的用法建议一起更新哦。