123  find: '/noah/baidulinux/V2-0.0.10-opt/home/bae/nginx_ufc/uwsgi_temp': Permission denied
   124  find: '/noah/baidulinux/V2-0.0.10-opt/home/bae/nginx_ufc/scgi_temp': Permission denied
   125  find: '/noah/baidulinux/V2-0.0.10-opt/home/bae/nginx_ufc/client_body_temp': Permission denied
   126  find: '/noah/baidulinux/V2-0.0.10-opt/home/bae/nginx_ufc/fastcgi_temp': Permission denied
   127  find: '/noah/baidulinux/V2-0.0.10-opt/home/bae/.ssh': Permission denied
   128  find: '/noah/baidulinux/V2-0.0.10-opt/home/bae/.jumbo/opt/glibc': Permission denied
   129  find: File system loop detected; '/noah/baidulinux/V2-0.0.10-opt/noah' is part of the same file system loop as '/noah'.
   130  find: '/noah/baidulinux/V2-0.0.10-opt/proc/tty/driver': Permission denied
   131  find: '/noah/baidulinux/V2-0.0.10-opt/proc/1/task/1/fd': Permission denied
   132  find: '/noah/baidulinux/V2-0.0.10-opt/proc/1/task/1/fdinfo': Permission denied

文字如上

命令

$ cat -n  txt  | gawk -F ':' '{if($3 != " Permission denied") {print $2}}' 
 File system loop detected; '/noah/baidulinux/V2-0.0.10-opt/noah' is part of the same file system loop as '/noah'.