Linux file wildcard and command line extension

* match 0 or more characters

? Match any single character

~ Current User home directory

~mage User Mage home directory

~+ Current working directory

~- Previous working directory

[0-9] match number range

[A-z]: Letters

[A-z]: Letters

[Wang] matches any one of the characters in the list

[^wang] matches characters other than all characters in the list

Other special characters

\ Skip symbol: revert "special character or wildcard" to a normal character

| Pipe: The definition of two piping commands;

; Continuous Instruction Release delimiter: (Note!) Not the same as pipeline command)

& Job Control: Turn the instruction into a background work

! the meaning of "not" in the sense of logical operation

Pre-defined character class: Man 7 glob

[:d igit:]: Any number, equivalent to 0-9

[: Lower:]: Any lowercase letter

[: Upper:]: Any uppercase letter

[: Alpha:]: Any case letter

[: Alnum:]: any number or letter

[: Blank:]: horizontal white space character

[: Space:]: Horizontal or vertical whitespace characters

[:p UNCT:]: Punctuation

[:p rint:]: Printable characters

[: Cntrl:]: Control (nonprinting) character

[: Graph:]: Graphic character

[: Xdigit:]: hexadecimal character

1. Display all files or records in the/test directory that begin with L with a lowercase letter ending with at least one digit in the middle

Method 1

#ls-D/test/l*[0-9]*[[:lower:]]

/test/ll4898ufjaj/test/ll4ufjaaj/test/ll4ufjaj/test/ll4ufjajc

Method 2

#ls-D/test/l*[[:d Igit:]]*[[:lower:]]

/test/ll4898ufjaj/test/ll4ufjaaj/test/ll4ufjaj/test/ll4ufjajc

Method 3

#ls-D/test/l*[^a-za-z]*[[:lower:]]

/test/ll4898ufjaj/test/ll4ufjaaj/test/ll4ufjaj/test/ll4ufjajc

2. display files or directories that begin with any digit in the/test directory and end with a non-digit

Method 1

#ls-D/test/[[:d Igit:]]*[[:alpha:]]

/test/112prueiruenjfdkeieji88.conf

Method 2

#ls-D/test/[0-9]*[^0-9]

/test/112prueiruenjfdkeieji88.conf

Method 3

#ls-D/test/[[:d Igit:]]*[a-za-z]

/test/112prueiruenjfdkeieji88.conf

3, display/test/directory with a non-letter beginning, followed by a letter and any other arbitrary length of any character file or directory

Method 1

#ls-D/test/[0-9][[:alpha:]]*

/test/0ll4ufjajbb007

Method 2

#ls-D/test/[^[:alpha:]][[:alpha:]]*

/test/0ll4ufjajbb007

Method 3

#ls-D/test/[^a-za-z][a-za-z]*

/test/0ll4ufjajbb007

4. Display all the numbers in the/test/directory starting with RC, followed by 0-6, other files or directories of any character

#ls-D/test/rc[0-6]*

/test/rc1rjeirie/test/rc2jidf9fdjfd/test/rc556kkfjdjfkd

5. Display all files or directories ending with. D in the/etc directory

#ls-D/ETC/*.D

/etc/bash_completion.d/etc/logrotate.d/etc/rc1.d/etc/rwtab.d

/etc/chkconfig.d/etc/lsb-release.d/etc/rc2.d/etc/sane.d

/etc/cron.d/etc/makedev.d/etc/rc3.d/etc/setuptool.d

/etc/depmod.d/etc/modprobe.d/etc/rc4.d/etc/statetab.d

6. Display the/test directory, all the. conf ends, and the files or directories that start with m,n,r,p

#ls-D/test/[mnrp]*.conf

/test/mrueiruenjfdkeieji88.conf/test/prueiruenjfdkeieji88.conf

/test/nrueiruenjfdkeieji88.conf/test/rrueiruenjfdkeieji88.conf

7. Show only hidden files and directories under/root

#ls-D/root/. [^.] *

/root/.abrt/root/.cshrc/root/.gtk-bookmarks/root/.nautilus

/root/.bash_history/root/.dbus/root/.gvfs/root/.pulse

/root/.bash_logout/root/.esd_auth/root/.history/root/.pulse-cookie

/root/.bash_profile/root/.gconf/root/. Iceauthority/root/.ssh

8. Show only hidden directories under/root

#ls-D/root/. [^.] */

/root/.abrt//root/.dbus//root/.gnote//root/.local//root/.ssh/

/root/.cache//root/.gconf//root/.gnupg//root/.nautilus/

/root/.config//root/.gnome2//root/.gvfs//root/.pulse/

9. Show only non-hidden directories under/etc

#ls-D/etc/[^.] */

/etc/abrt//etc/gcrypt//etc/ntp//etc/reader.conf.d/

/etc/acpi//etc/gdm//etc/obex-data-server//etc/redhat-lsb/

Bracket extension: {}

Simplified form of repeating strings

Semicolons separate specific content

#touch file{1,3,5}; LS file*

File1 File3 File5

{Start value: End Value}

#echo {0..10}

0 1 2 3 4 5 6 7 8 9 10

#echo {A}. Z

A b c d e F g h i j k l m n o p q R S t u v w x y Z

#echo {A}. Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

#echo {A}. Z

A ' _ ^] [Z

{format: Maximum value: Number of steps}

#echo {000..10..1}

000 001 002 003 004 005 006 007 008 009 010

This article is from the "Golden Mystery" blog, please be sure to keep this source http://191226139.blog.51cto.com/211244/1981393

Linux file wildcard and command line extension