[root@centos7 test2]# ls
file.txt
[root@centos7 test2]# cat file.txt
-rw-r--r--      1       root    52457   Aug     10      2019    ngx_http.c
-rw-r--r--      1       mary    7099    Dec     12      2019    ngx_http_cache.h
-rw-r--r--      1       mary    2565    Aug     10      2019    ngx_http_cache.h
-rw-r--r--      1       root    140333  Aug     13      2019    ngx_http_core_.module.c
-rw-r--r--      1       dave    5946    Dec     17      2019    ngx_http.h
-rw-r--r--      1       root    96179   Aug     21      2019    ngx_http_request.c
-rw-r--r--      1       dave    165524  Aug     22      2019    ngx_http_upstream.c
-rw-r--r--      1       root    15382   Aug     10      2019    ngx_http_upstream.h
[root@centos7 test2]# awk ‘{print $0 > $3}‘ file.txt   ## 按照第三列的类别进行拆分
[root@centos7 test2]# ls
dave  file.txt  mary  root
[root@centos7 test2]# cat dave
-rw-r--r--      1       dave    5946    Dec     17      2019    ngx_http.h
-rw-r--r--      1       dave    165524  Aug     22      2019    ngx_http_upstream.c
[root@centos7 test2]# cat mary
-rw-r--r--      1       mary    7099    Dec     12      2019    ngx_http_cache.h
-rw-r--r--      1       mary    2565    Aug     10      2019    ngx_http_cache.h
[root@centos7 test2]# cat root
-rw-r--r--      1       root    52457   Aug     10      2019    ngx_http.c
-rw-r--r--      1       root    140333  Aug     13      2019    ngx_http_core_.module.c
-rw-r--r--      1       root    96179   Aug     21      2019    ngx_http_request.c
-rw-r--r--      1       root    15382   Aug     10      2019    ngx_http_upstream.h

[root@centos7 test2]# ls
file.txt
[root@centos7 test2]# cat file.txt
-rw-r--r--      1       root    52457   Aug     10      2019    ngx_http.c
-rw-r--r--      1       mary    7099    Dec     12      2019    ngx_http_cache.h
-rw-r--r--      1       mary    2565    Aug     10      2019    ngx_http_cache.h
-rw-r--r--      1       root    140333  Aug     13      2019    ngx_http_core_.module.c
-rw-r--r--      1       dave    5946    Dec     17      2019    ngx_http.h
-rw-r--r--      1       root    96179   Aug     21      2019    ngx_http_request.c
-rw-r--r--      1       dave    165524  Aug     22      2019    ngx_http_upstream.c
-rw-r--r--      1       root    15382   Aug     10      2019    ngx_http_upstream.h
[root@centos7 test2]# awk ‘{if($3 == "root")print > "root.txt"; else if($3 == "mary")print > "mary.txt"; else print > "dave.txt"}‘ file.txt
[root@centos7 test2]# ls
dave.txt  file.txt  mary.txt  root.txt
[root@centos7 test2]# cat dave.txt
-rw-r--r--      1       dave    5946    Dec     17      2019    ngx_http.h
-rw-r--r--      1       dave    165524  Aug     22      2019    ngx_http_upstream.c
[root@centos7 test2]# cat mary.txt
-rw-r--r--      1       mary    7099    Dec     12      2019    ngx_http_cache.h
-rw-r--r--      1       mary    2565    Aug     10      2019    ngx_http_cache.h
[root@centos7 test2]# cat root.txt
-rw-r--r--      1       root    52457   Aug     10      2019    ngx_http.c
-rw-r--r--      1       root    140333  Aug     13      2019    ngx_http_core_.module.c
-rw-r--r--      1       root    96179   Aug     21      2019    ngx_http_request.c
-rw-r--r--      1       root    15382   Aug     10      2019    ngx_http_upstream.h