Shell

#!/bin/shbackup_timestamp= ' Date +%y%m%d 'Hostname= ' HOSTNAME 'num=89################### Verification File system opt################Memuseopt= '/bin/df-kp| grep/opt | Awk-f ' {print $} ' | Awk-f '% ' {print '} 'If

The recently built SVN service does not know why the service is always turned off (if you do not know how to build SVN can refer to the SVN version control software under Linux ), so a daemon is implemented with shell scripts. Used to monitor if the

1. Create a script that can add script information to other scripts:#vim cs.sh#!/bin/bashCat > $ #!/bin/bash#Name: ' BaseName $ '#Description:#Author: TEST#Version: 0.0.1#Datatime: ' Date ' +%f +%t "'#Usage: ' BaseName $ 'EofVim +8 $2. Modify the

A detailed description of the regular expressionOrdinary characters: just literal meaningMetacharacters: Meaning beyond the literal meaningBasic regular expression meta-characters and their meanings* The ordinary character before the #0个或多个在 *

The Shell Case statement is a multi-select statement. A case statement can be used to match a value with a pattern, and if the match succeeds, the matching command is executed. The case statement is in the following format:The code is as

1.2 Terminal printing A terminal is an interactive tool that allows users to interact with the shell environment. Printing text in a terminal is a basic task that most shell scripts and tools need to perform daily. Through the terminal

#判断IP是否符合标准规则function  judge_ip () {         #这里local  $1 error, with 2 >/dev/null Shield off error, no effect on the output results         local $1 2>/dev/null         TMP_TXT=/tmp/iptmp.txt         echo $1 > ${tmp_txt}        ipaddr= ' grep  -Eo 

Rzrk:~/luzhi # ldconfigldconfig: /usr/local/lib/libsvn_fs_base-1.so.0 is not a  symbolic linkldconfig: /usr/local/lib/libcharset.so.1 is not a symbolic  linkldconfig: /usr/local/lib/libpcrecpp.so.0 is not a symbolic 

Take out a string of specific long strings in a seriesMethod One#!/bin/bashhello= "hello,world.my name is Jerry,what ' your name?" For word in ${hello[@]};d o [${#word}-GT 4] && echo $worddoneMethod Two[' Echo $word |wc-l '-GT 4] && echo $wordMethod

Five, string processing1. Sub-string interception operations:Path segmentation:DirName command: Locate the folder where the target is locatedbasename command: The name of the target object, usually refers to the file name or the lowest-level

Ubuntu System Write shell script program installs multiple packages at onceWriting shell scripts installs multiple software at once, primarily for some software-dependent environment configurations.1. The shell script must start with the following

Bash Script programmingOne, Bash script programmingBash script programming (can be understood as a stack of commands)Program: Contains statements and expressions (with judgments and loops)Sequential executionSelect ExecuteLoop executionprogram =

Suppose there is a variable var=http://www.linuxidc.com/test.htmA # Intercept, delete the left character, and leave the right character.Echo ${var#*//}where Var is the variable name and the # is an operator, *//indicates that the first//number and

Application Scenario: A directory contains many software source Tarball, after the deployment of these software, will certainly generate a lot of useless temporary directory, you can script the way to delete all directories in the directory. When

Fix the problem: convert GMT to Beijing time via JS script and push it to the demand side.# time converted to pure digitalStarttime= ' date-d '-1 day "" +%y-%m-%d 00:00:00 "Endtime= ' Date ' +%y-%m-%d 00:00:00 "'st=$ (' Date--date ' $startTime ' + '%

Java when invoking the shell, to continuously read the process of the standard output and error output stream information, or the buffer is full of the child process will be blocked and can not continue to run, up to two threads continuously read

Fly2015Windows platform Shell Software is still more, so there are many people for the pc software Shelling Music This, I rookie a, also learn about the shelling of the PC. To shelled the software, the first step is to check the shell, and then the

Automatically download the source code _ and compile _ package _ deployment _ restart the service Shell script, source code shell For the meaning of Shell operations, refer to my article three years ago:Http://blog.csdn.net/jadyer/article/details/796

Shell script learning and shell script1111111111111 clear the simple command script of the messages log file under/var/log/Var/log/the system file under the log file must have the root permission:$ UID is the global variable of the system:Make &

Password Change in non-interactive mode in Shell scriptsToday, when I wrote a shell script, I found that the user's password needs to be set and the password is set to interactive. This is obviously not good in the script, So I went online to search