Daily Tip 2015-10-20

[Email protected]:~# cd/tmp # (usually I 'll use this directory)
[Email protected]:/tmp# ll
[Email protected]:/tmp#

[Email protected]:/tmp# mkdir lldir
[Email protected]:/tmp# Touch ll.txt old.txt new.txt

[Email protected]:/tmp# ll
Total Dosage 4
Drwxr-xr-x 2 root root 4096 October 21:50 Lldir
-rw-r--r--1 root root 0 October 21:47 ll.txt
-rw-r--r--1 root root 0 October 21:47 new.txt
-rw-r--r--1 root root 0 October 21:47 old.txt

[Email protected]:/tmp# find-type F
./new.txt
./ll.txt
./old.txt
[Email protected]:/tmp# find-type f-name "old"
[Email protected]:/tmp# find-type f-name "old*"
./old.txt
[Email protected]:/tmp# find / -type f-name "old*"
./old.txt
[Email protected]:/tmp# find . -type f-name "old*"
./old.txt

[Email protected]:/tmp# Find. -type f-name "old*" |xargs rm-f
[Email protected]:/tmp# ll
Total Dosage 4
Drwxr-xr-x 2 root root 4096 October 21:50 Lldir
-rw-r--r--1 root root 0 October 21:47 ll.txt
-rw-r--r--1 root root 0 October 21:47 new.txt

[Email protected]:/tmp# Find. -type D
.
./lldir

[Email protected]:/tmp# Find. -type d|grep-v "^\.$"
./lldir

[Email protected]:/tmp# Find. -type d|grep-v "^\.$" |xargs rm-f
RM: Cannot delete "./lldir": is a directory
[Email protected]:/tmp# Find. -type d|grep-v "^\.$" |xargs RM-RF
[Email protected]:/tmp# ll
Total dosage 0
-rw-r--r--1 root root 0 October 21:47 ll.txt
-rw-r--r--1 root root 0 October 21:47 new.txt

[Email protected]:/tmp# mkdir Lldir
[Email protected]:/tmp# !tou
Touch Ll.txt Old.txt New.txt
[Email protected]:/tmp# ll
Total Dosage 4
Drwxr-xr-x 2 root root 4096 October 21:58 Lldir
-rw-r--r--1 root root 0 October 21:59 ll.txt
-rw-r--r--1 root root 0 October 21:59 new.txt
-rw-r--r--1 root root 0 October 21:59 old.txt

[Email protected]:/tmp# ll|find-t
-true-type
[Email protected]:/tmp# ll|find-type F
./new.txt
./ll.txt
./old.txt
[Email protected]:/tmp# ll|find-type D
.
./lldir
[Email protected]:/tmp# find-type D|xargs rm-fr
Rm:refusing to remove "." or ":" Directory:skipping "."

[Email protected]:/tmp# mkdir Lldir
[Email protected]:/tmp# touch ll.txt old.txt new.txt
[Email protected]:/tmp# find-type D|xargs rm-fr 2>01.log
Root[email protected]:/tmp# Cat 01.log
Rm:refusing to remove "." or ":" Directory:skipping "."
[Email protected]:/tmp#

This article comes from the "Dashazi's blog" blog, please be sure to keep this source http://dashazi.blog.51cto.com/10354524/1704694

Daily Tip 2015-10-20