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
) e0 k+ l. Q/ M1 ^) `grep -e 'perl' -e 'Installed' /var/log/yum.log
Dec 06 23:34:03 Installed: 1:perl-parent-0.225-244.el7.noarch
Dec 06 23:34:03 Installed: perl-HTTP-Tiny-0.033-3.el7.noarch
$ c) I2 |2 t0 X; sDec 06 23:34:04 Installed: perl-podlators-2.5.1-3.el7.noarch
; a. d- r+ d1 ~- n# T' ~4 o& V( ^Dec 06 23:34:04 Installed: perl-Pod-Perldoc-3.20-4.el7.noarch
  V6 _8 |! g! V  |$ ?5 iDec 06 23:34:04 Installed: 1:perl-Pod-Escapes-1.04-292.el7.noarch
* o- p# F7 P. z) KDec 06 23:34:04 Installed: perl-Text-ParseWords-3.29-4.el7.noarch
. ~, p4 f: J# o& c' w  jDec 06 23:34:04 Installed: perl-Encode-2.51-7.el7.x86_64
6 V! D! J' H, n" e( C; ], }8 BDec 06 23:34:04 Installed: perl-Pod-Usage-1.63-3.el7.noarch
1 h5 s/ f, F, |5 B2 ?4 u/ qDec 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：
  l5 l' c% O6 R+ l3 ?2 |   systemctl list-unit-files |grep -e glance-api -e glance-registry
. f+ e5 Z; Y$ H. M1 z+ n更多的用法建议一起更新哦。
; ^- l- M7 a7 c* e