Linux grep命令使用技巧

grep簡單過慮

[code][oracle@buffer153068004 ~]$ ls -lrth|grep "a.txt"
-rw-r--r-- 1 oracle dba    0 May  9 10:29 a.txt
[oracle@buffer153068004 ~]$

grep實現”或”條件過慮

[code][oracle@buffer153068004 ~]$ ls -lrth|grep -E "a.txt|b.txt"
-rw-r--r-- 1 oracle dba    0 May  9 10:29 a.txt
-rw-r--r-- 1 oracle dba    0 May  9 10:29 b.txt
[oracle@buffer153068004 ~]$

根據日期過慮：

[code][oracle@buffer153068004 hdzwwwdb]$ ls -lrt|grep -E "May  8|May  9"
-rw-r----- 1 oracle dba 4293148672 May  8 22:11 hdzwwwdb_1_4747_kbr53sf3.dbf
-rw-r----- 1 oracle dba 4293206016 May  8 22:11 hdzwwwdb_1_4746_kar53sf3.dbf
-rw-r----- 1 oracle dba 4293009408 May  8 22:22 hdzwwwdb_2_4746_kar53sf3.dbf
-rw-r----- 1 oracle dba 4292894720 May  9 00:01 hdzwwwdb_11_4747_kbr53sf3.dbf
-rw-r----- 1 oracle dba 4293074944 May  9 00:03 hdzwwwdb_11_4746_kar53sf3.dbf
-rw-r----- 1 oracle dba 4293337088 May  9 00:12 hdzwwwdb_12_4747_kbr53sf3.dbf
[oracle@buffer153068004 hdzwwwdb]$