ls -l | awk '$9 ~ /core/ {print $9;}'命令解释

ubuntu:~> ls -l
total 4600
-rwxrwxrwx 1 dev dev 24510464 Nov 16 03:12 core
drwxrwxrwx 3 dev dev     4096 Jun 26 02:52 Desktop
drwxrwxrwx 2 dev dev     4096 Jun 29 17:47 Documents
drwxrwxrwx 2 dev dev     4096 May  7  2013 Downloads
-rwxrwxrwx 1 dev dev     8445 May  7  2013 examples.desktop
drwxrwxrwx 2 dev dev     4096 May  7  2013 Music
drwxrwxrwx 3 dev dev     4096 Aug 24 17:08 Pictures
drwxrwxrwx 2 dev dev     4096 May  7  2013 Public
drwxrwxrwx 3 dev dev     4096 Dec 19  2013 pwSDK
drwxr-xr-x 2 dev dev     4096 May  7  2013 Templates
drwxr-xr-x 2 dev dev     4096 May  7  2013 Videos
drwxrwxr-x 6 dev dev     4096 Nov 16 21:34 workspace
ubuntu:~> ls -l | awk '$9 ~ /core/ {print $9;}'
core

ls -l | awk '$9 ~ /core/ {print $9;}'命令解释

后面awk命令的意思是$9要匹配core才会打印$9.