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
& X. B( q+ U4 ^' }' D1 V+ O1 r1 ggrep -e 'perl' -e 'Installed' /var/log/yum.log
Dec 06 23:34:03 Installed: 1:perl-parent-0.225-244.el7.noarch
0 n; C) q, w4 c' vDec 06 23:34:03 Installed: perl-HTTP-Tiny-0.033-3.el7.noarch
Dec 06 23:34:04 Installed: perl-podlators-2.5.1-3.el7.noarch
+ v  I  m! H0 |/ aDec 06 23:34:04 Installed: perl-Pod-Perldoc-3.20-4.el7.noarch
7 ]$ l  P, Z! q" V/ rDec 06 23:34:04 Installed: 1:perl-Pod-Escapes-1.04-292.el7.noarch
Dec 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
Dec 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：
4 V+ T7 [6 n- K" K   systemctl list-unit-files |grep -e glance-api -e glance-registry
/ c& b- r+ |, E% H5 F, K更多的用法建议一起更新哦。