Shell

Recently just learned the shell script programming method, uses the shell script to implement a colored progress bar, below will show the result to everybody.Program ResultsThis is really very simple to achieve, only need to understand some basic

The principle of 0x00 broken shell loophole Enter the inside of bash ~ Export Name= ' () {echo ' Inside name ';}; echo "Outside name"; View environment variables ~ Env|grep name ~ name= () {echo ' Inside name ';}; Echo ' outside name '; At this

Seven types of files D Directory L Symbolic link s socket file B block device file C-character device file p named pipe file -Regular file regular expressions When you extract or filter text from a file or command output. Regular Expressions (RE)

When writing a shell script, the first line to add: #!/bin/bash, because Linux is not only bash a parser, there are other, they have some differences between the syntax, so it is best to add this sentence, tell the system to use this parser.One.

#!/bin/SH#取当前脚本的绝对路径srcDir=$ (CD"$ (dirname"$0")";pwd) #设置库所在路径libDir=${srcdir}"/j1900runlib/*"#设置目标路径desDir="/usr/lib/x86_64_linux_gnu"#将库文件全部拷贝至指定路径CP$libDir $desDir # joins the absolute path of the current script to the environment

1.Shell variable 1.1 definition variableYour_name= "Http://www.cnblogs.com/uniquefu"Note that there can be no spaces between the variable name and the equals sign, which may be different from any programming language you are familiar with. At the

Shell Script (iii)A For Loop statement: (Unknown number of cycles)For Variable name Value listDoCommand sequenceDone(1) Bulk add users by Name listVim/root/user.txt?ZhangsanWangwuXiaobaivim/root/uadd.sh#!/bin/bashulist=$ (Cat/root/user.txt)For uname

#shell判断文件夹是否存在 # If the folder does not exist, create a folder if [!-D "/myfolder"]; Then Mkdir/myfolderfi#shell determine the file, whether the directory exists or has permissions folder= "/var/www/" file= "/var/www/log" #-x parameter to

The Linux shell has learned several times.But the memory is not good, always forget, chase the main reason may be not common reason!Case beginning Esac EndHere's the result.Input method does not enter the symbol is wrong, the beginning of the total

Shell merge two files into one file two columns published: 2014-07-20 Editor: Www.jquerycn.cnShell merges two files into one file in two columns, providing two methods, generic shell script, awk script.The contents of the file are as follows:More

Shell problem Summary, this series is I as a rookie in the process of solving problems to solve the process, I hope to record down to the new scholar help.requirement : To resolve whether a file exists on the remote server1, judge whether a file

If you want to compare two version number strings through the shell, such as two version numbers 1.1.2 and 1.2.1 Two versions who are relatively new.The simplest is to use the sort command. With the parameter "-V" the sort command can sort the

Shell scripts create users in bulk and randomly generate passwordsRequirements: Batch creation of 10 system account OLDBOY01-OLDBOY10, and set the generated password (password is different).Implementation script:#!/bin/bash#Question3For I in $

"If syntax test condition judgment Statement" go from: http://lovelace.blog.51cto.com/1028430/1211353 "while for Loop" go from: 78681117for variable in list do Command1 Command2. Commandndone can also be written as: for Var in list; Do read the

1. Echo1.1, by default, Echo adds a line break after each call1.2, the content to be printed, you can use single quotation marks, double quotation marks or direct printing, different ways, have their own restrictions1.2.1, using the non-quoted Echo,

Tag:[1]    Array    shel   done   bash    str   class   lov   nbsp    #!/bin/bash tmp= "Test,girl,boy,love " old_ifs = " $IFS " ifs = " , " arr = ($a) IFS = " $OLD _ifs " Echo" arr[0] is: ${arr[0]} " echo "arr len: ${#arr [

1. Desktop (Wireless disabled, wired dialing) Bind the free oray domain name and the dial-up IP address (change the record ). 2. The oray client is updated in time, but the ping domain name times out. The reason is that the binding has not

Reprinted please indicate the source: http://blog.csdn.net/lastsweetop/article/details/8908808 Author: Fire tianlin To avoid setting for each user, directly modify the/etc/profile file. 1. in Linux Add the following three lines: Give your ls a bit

1. system environment variables after the user logs on to the system: $ Home user's own directory $ Path: the directory to be searched during Command Execution $ TZ Time Zone $ Mailcheck the number of seconds to check whether a new letter exists

Article Source: http://zhousir1991.diandian.com/page/4 [Root @ My ~] # Find.-Name *. rpm/Nessus-4.0.1-es5.i386.rpm [Root @ My ~] # Find.-Name * .tar.gzFind: paths must precede expression: recordmydesktop-0.3.8.1.tar.gzUsage: find [-H] [-L]