mkdir if not exists

Use the mkdir command to create directories and subdirectories under Linuxnow that we've listed the entries in the directory with the LS command, we're going to learn how to create a directory under a Linux system. Under Linux, we can use the mkdir

1, determine whether the file exists, does not exist to create a file[Java]View Plaincopyprint? File file=new file ("c:\\users\\qping\\desktop\\javascript\\2.htm"); if (!file.exists ()) { try { File.createnewfile (); } catch

What is mkdir?Mkdir is a command to create a directory under a Linux system. This command is part of the built-in command.Run the mkdir commandYou can use it by typing mkdir directly in your console. $ mkdir By default, running the

1 command function (brief description):Used to create a directory that requires the user who needs to create the directory to have write permissions in the current directory, and that the new directory cannot be a directory that already exists for

Common Linux commands: mkdir and linuxmkdir Link: http://www.cnblogs.com/MartinChentf/p/6076075.html (reprinted please indicate the source) In Linux, The mkdir command is used to create a directory or a cascading directory. 1. Command Format Mkdir

In some PHP built-in functions (such as mkdir), adding @ at the front can mask the error thrown by the function, so how does the custom function do this? I tried the throw. New exception and Trigger_error cannot be added by the @ Mask: So, for

The mkdir command is used to create the directory. This command creates a directory named by DirName.     If no pathname is added before the directory name, the directory specified by DirName is created under the current directory, and if an

This article link: http://www.cnblogs.com/MartinChentf/p/6076075.html (reproduced please specify the source)In a Linux system, the mkdir command is used to create a directory or a cascading directory.1. Command formatmkdir [Options] Directory name2.

Implement code One, #!/bin/sh # to determine if a file exists # link:www.jb51.net # date:2013/2/28 mypath= '/var/log/httpd/ ' myfile= ' Var/log/httpd/access.log " # Here's the-x parameter to determine if $mypath exists and has executable

2015-06-25 created1. Summary:The Linux mkdir command creates the specified directory if these directories do not exist.2. Command format:mkdir [OPTION] ...     DIRECTORY ... English: mkdir [options] ... Directory...3. Common examples:mkdir AAA