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Shell Basics use Shell to detect whether a directory exists, there is no prompt for users to create a directory

#!/bin/bashif[-e$1]then echo "Directory exists" else{ echo "Directory does not exist, whether create 1 is 2 No" read-p " Please enter 1 or 2: "mulu if[ $mulu -eq1] then mkdir$1 elif[ $mulu -eq2] then exit0 fi }fiCommand Directory AddressThis article is from the "Tommy Lin" blog, so be sure to keep this source http://linyingyong.blog.51cto.com/6609544/1794

Write a program to copy all the. java files in the D:\java directory to the D:\jad directory and change the extension of the original file from. java to. jad.

/** * Write a program to copy all the. java files in the D:\java directory to the D:\jad directory and change the extension of the original file from. java to. jad. * *: The Listfiles method accepts a FileFilter object, the FileFilter object is the policy object of the filter, and different people provide different filefilter implementations, that is, different filtering strategies are provided. * * */pa

C + + DELETE directory and copy directory functions

BOOL DeleteFolder (LPCTSTR lpszpath){Shfileopstruct Fileop;ZeroMemory ((void*) fileop,sizeof (shfileopstruct));Fileop.fflags = fof_noconfirmation;Fileop.hnamemappings = NULL;Fileop.hwnd = NULL;Fileop.lpszprogresstitle = NULL;Fileop.pfrom = Lpszpath;Fileop.pto = NULL;Fileop.wfunc = Fo_delete;Return SHFileOperation (fileop) = = 0;} BOOL CopyFolder (LPCTSTR lpszfrompath,lpctstr Lpsztopath) { Shfileopstruct Fileop; ZeroMemory ((void*) fileop,sizeof (shfileopstruct));

What is the difference between the Mipmap directory and the drawable directory?

/ ic_launcher.png mipmap-hdpi/ ic_launcher.png mipmap-xhdpi/ ic_ Launcher.png mipmap-xxhdpi/ ic_launcher.png mipmap-xxxhdpi/ ic_launcher.png # App icon used On Nexus 6 device launcher Choosing to add xxxhdpi versions for the rest of your assets would provide a sharper visual experience on the Nexus 6, but Does increase apk size, so your should make a appropriate decision for your app. res/ drawable-mdpi/ ic_sunny.png drawable-hdpi/ ic_sunny

What is the difference between the Mipmap directory and the drawable directory?

/ ic_launcher.png mipmap-hdpi/ ic_launcher.png mipmap-xhdpi/ ic_launcher.png mipmap-xxhdpi/ ic_launcher.png mipmap-xxxhdpi/ ic_launcher.png # App icon used on Nexus 6 device launcherChoosing to add xxxhdpi versions for the rest of your assets would provide a sharper visual experience on the Nexus 6, but Does increase apk size, so your should make a appropriate decision for your app.res/ drawable-mdpi/ ic_sunny.png drawable-hdpi/ ic_sunny.png

What is the difference between the Mipmap directory and the drawable directory?

/ ic_launcher.png # App icon used on Nexus 6 device launcherChoosing to add xxxhdpi versions for the rest of your assets would provide a sharper visual experience on the Nexus 6, but Does increase apk size, so your should make a appropriate decision for your app.res/ drawable-mdpi/ ic_sunny.png drawable-hdpi/ ic_sunny.png drawable-xhdpi/ ic_sunny.png drawable-xxhdpi/ # Fall back to these if xxxhdpi versions aren’t available ic_sunny.png drawable-xxxhdp

Laravel5 's app directory has a more service directory, what is the use of?

On GitHub, I saw some laravel5 demon, and found that many people didn't use the service directory. Reply content: On GitHub, I saw some laravel5 demon, and found that many people didn't use the service directory. It's very detailed here. Http://laravel.com/docs/5.0/structure Is it because of all the tutorials I've seen? O (╯-╰) o A joke. Laravel 4 ERA This Services folder is built on its

php5.2.8 installation directory does not generate ext directory, the installation of the younger brother I choose to install all

The ext directory is not generated in the php5.2.8 installation directory, I choose to install it all There's no extension=php_mysql.dll in php.ini, Extension=php_mysqli.dll these things. Then after the smooth installation of MySQL, in this case these two can be configured, why the lack of these things? ------Solution-------------------- Even the database is definitely not possible. Learn the words sugges

Why the domain name definition to a directory, a directory above the files and directories can not be viewed through the address bar

Why the domain name definition to a directory, a directory above the files and directories can not be viewed through the address bar

8-26-linux-user creation and directory, password, home directory!

Because the computer is bad can only hear the sound! Wait for the video to be sent to fillUID 0-65535Normal Users: 1-60000System users:1-499Login User:ResearcherTo add a user groupGroupadd-g 521-r AdmindAdd user group, genus Group, shell, affiliate groupUseradd-r admin-u 520-g 521-d/home/centos/admin/-s/bin/bash-g 0View the UID of the owning userId-u Admin520Owning group:Id-g Admin521Affiliated groups:Id-g Admin521 0 500Add Password:passwd AdminPassword: adminHere's the problem: no permissions!c

ASP,FSO traversal directory and directory files _fso topics

' I wrote a function that traverses the directory and the files in the directory, %> function Bianli (path) Set Fso=server. CreateObject ("Scripting.FileSystemObject") On Error Resume Next Set OBJFOLDER=FSO. GetFolder (PATH)      Set Objsubfolders=objfolder.subfolders      For each objsubfolder in Objsubfolders              Nowpath=path + "\" + objsubfolder.name        Response.Write Nowpath Set Obj

A PHP code _php instance that traverses the specified directory and stores all file attribute information in the directory

The project needs to write a function that traverses all the files in the specified directory, and the subdirectories in that directory are traversed. Output The property information of the file and store it. Think of the need, is not a ls-al command, to achieve the relevant properties of the good, plus a traversal OK. In the process of the project, it is easy to manipulate, using JSON format storage, but

ASP implementation to check whether the directory exists and create a directory function _ application techniques

'------------------------- '--check if the directory exists '---------------------- Function Checkdir (ByVal folderpath) Dim fso Set FSO = Server.CreateObject ("Scripting.FileSystemObject") If FSO. FolderExists (Server.MapPath (folderpath)) Then ' Existence Checkdir = True Else ' does not exist Checkdir = False End If Set FSO = Nothing End Function '------------------------- '--Create a directory '--------

asp.net returns the path to the file, obtaining the root directory of the Web site of the virtual directory

String Server.MapPath (String path)Returns the physical file path corresponding to the specified virtual path on the Web server.server.mappath (request.servervariables["Path_info"])server.mappath ("/")server.mappath ("")server.mappath (".")server.mappath (".. /")server.mappath ("..") Page.Request.ApplicationPathThe results of the above code are as follows:c:/inetpub/wwwroot/englishclub/manage/webform1.aspx£c:/inetpub/wwwroot/c:/inetpub/wwwroot/englishclub/managec:/inetpub/ww

To determine if a directory exists and create a directory

To determine if a directory exists and create a directory: testwhetherthedirexist cstringm_dir; if (M_dir. Right (1) == "//") m_dir=m_dir. Left (M_dir. GetLength ()-1); if (GetFileAttributes (m_dir) ==file_attribute_directory) return ture; else createalldirectory (m_dir); //functioncreatealldirectory//recursivefunction void Createalldirectory (Cstringdir) {if (Dir.right (1) == "//") Dir =dir.left (Dir.g

How to delete an empty directory and a null directory from PHP

Steps: 1. Traverse Directory and subdirectories 2. Use Scandir to determine whether the directory is empty, empty, and use rmdir to delete it. Using a shell is a lot simpler: Find target folder-mindepth 1-depth-empty-type d-exec rm-r {} \; See more highlights of this column: http://www.bianceng.cnhttp://www.bianceng.cn/webkf/PHP/

sqlserver2008, can only choose the C-drive directory, can not select other disk directory

Label:After the database sql2008 installed, regardless of backup or restore, can only see the C drive, manually enter the path, the error is as follows: when attempting to open or create a physical file ' d:\ database \db.mdf ', the creation file encounters operating system error 5 (Access denied. )Workaround:In all Programs-sql Server 2008-Configuration Tools-"SQL Server Configuration Manager", click on "SQL Server 2008 Services", right key ' properties '--' login tab ', built-in account select

Copy all files in one directory to another directory (Java implementation) __java

First of all to talk about my thinking, to copy a directory of all the files to another directory, we do not know what the directory structure is, and do not know how many layers of the directory, the number of files, so we would like to use the loop, for! But we do not know how many layers, so the cycle can not meet o

Action file problem on SD card in Android Create directory create file to specified directory

Steps1Get the path to the SD cardFile root =environment.getexternalstoragedirectory ();2Determine the path to the file to be writtenString path =root.getabsolutepath () + "/test2" + "/TEST3";3and turn the path into file.File file =new file (path);4 Creating a DirectoryFile.mkdir ();5 write the specified file in the specified directory aboveFile File1 = new file (file, "Test.png");Be sure to pay attention to the difference between path and file, and mu

Traverse the directory tree to return to the dictionary tree, Directory Dictionary

def getdirectorytree (Self,folder): ‘‘‘ :p Aram folder: File directory : return: Dictionary of the Directory ‘‘‘ dirtree={' children ': []} If Os.path.isfile (folder): return {' text ': Os.path.basename (folder), ' icon ': ' Glyphicon glyphicon-leaf '} Else Basename=os.path.basename (folder) dirtree[' text ']=basename For item in Os.list

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