Description of the fs. readlink method in node. js, node. jsfs. readlink
Method description:
Read links asynchronously.
Syntax:
Copy codeThe Code is as follows:Fs. readlink (path, [callback (err, linkString)])
Because this method belongs to the
Readlink, you can see from the literal meaning that the output symbolic link value or authoritative file name. The readlink command parameters under OpenWrt are as follows:[email protected]:/# readlink--helpBusyBox v1.22.1 (2016-05-16 12:27:19 CST)
Original address: http://blog.csdn.net/liangxiaozhang/article/details/7356829Readlink is a common tool used in Linux systems, primarily to find out where symbolic links are pointing. Execute the following command in the Ubuntu system:[Plain]View
Symbolic links, Symlink and readlink, Linux C---------------------------------------------------------------------------------------------The Symlink () function creates a symbolic connection.Overview POSIX#include int symlink (const char *path1,
This article mainly introduces node. fs. readlink method usage instructions. This article introduces fs. readlink method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see
Method description:
This article mainly introduces node. fs. readlink method usage instructions. This article introduces fs. readlink method description, syntax, receive parameters, use instances, and implement source code. For more information, see
Method description:
Excerpt from: http://blog.csdn.net/djzhao/article/details/8178375Linux about Readlink function get running path of small programRelated functions: Stat, Lstat, symlinkTable header files: #include Define functions: Int readlink (const char *path,
Pthread_create is a thread function created in a Unix environment.
Specific format:
# Include
Int pthread_create (pthread_t * restrict TIDP, const pthread_attr_t * restrict ATTR, void * (* start_rtn) (void *), void * restrict Arg );
Return Value:
readlink 显示文件的类型Syntax format: readlink "option" readlink [options] [file]Attention:
Readlink command and subsequent options, there must be at least one space between each elementOption Description:
parameter Options
C language Symlink () function: Establishing a File Symbolic connectionheader file:
#include
To define a function:
int symlink (const char * oldpath, const char * newpath);
Function Description: Symlink () creates a new
Pthread_create is a thread function created in a UNIX environment.Specific format: # Include Int pthread_create (pthread_t * restrict tidp, const pthread_attr_t * restrict attr, void * (* start_rtn) (void *), void * restrict arg );Return Value: If
Pthread_create is a UNIX environment create thread function specific format: #include int pthread_create (pthread_t *restrict tidp,const pthread_attr_t *restrict attr,void* (*START_RTN) (void*), void *restrict arg); Return value: Returns 0 if
Demo Code
Operation effect (Figure 1)
Operation effect (Figure 2)
Main Package function
Multi_process ();According to the parameters, create the number of pointers to the child process.Bright spot Function 1: The
Under Linux, you will often need information about which ports the process has opened, and which process the port is open, and here's how to get that information.
Note: "Which ports the process has opened" is similar to the process/thread-gathering
1. Create a symbolic link
# Include Define the function int symlink (const char * oldpath, const char * newpath );Function Description symlink () uses the name specified by newpath to create a new connection (symbolic connection) to the existing
Lumaqq Startup Script
#! /Bin/bash
# Determine the type of the execution file. If it is a symbolic link, the target path of the link will be obtained. In previous versions, this task uses# Readlink-F command is complete. This method is slightly
This article mainly elaborates the method and the step that installs the Zeromq.js in the offline environment. Zeromq.js:Https://www.npmjs.com/package/zeromq orHttps://github.com/zeromq/zeromq.jsDue to LAN network limitations, plus the installation
the company recently migrated svn to git and used maven to manage the code warehouse, so a little bit of research has been done to prepare for automated continuous integration, and here's an analysis of MAVEN's command program mvn: general
The following is a detailed analysis of the use of functions such as pthread_create,readlink,getpid, the need for friends can refer to the next
pthread_create is a UNIX environment to create a thread function specific format: #include
In a shell script, a relative path is usually used to do the processing, but sometimes we may need to use an absolute path.How do I get an absolute path to a file or directory in the shell?Perhaps you will immediately think of Realpath (if you have
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