We can read a text file and return its content as an Array using node.js. We can use this array content to either process its lines or just for the sake of reading. We can use the 'fs' module to deal with the reading of file. The fs.readFile() and fs.readFileSync() ... Read More

The process.argv() method is used for getting the user environment object. This object will contain all the information about the environment on which this command is being executed.Syntaxprocess.env()ParametersSince it returns an object for the user environment. It does not need any inputs from the user as such.ExampleCreate a file with ... Read More

The process.argv() method is used for getting the user and its cpu usage for the current running process. The data is returned in an object with the properties user and system. The values obtained are in microseconds, i.e.10^-6 seconds. The values returned may be greater than the actual elapsed time ... Read More

The process.chdir() method is used for changing the current directory of the Node.js process. It will throw an exception if any error occurs or the process fails, but will not return any response on success. For Example: It can fail when the specified directory does not exist.Syntaxprocess.chdir(directory)Parametersdirectory – This will contain ... Read More

The process.argv0() method is used for storing the read-only copy of the original value for argv[0] that is passed when the node.js application is started.Syntaxprocess.argv0()ParametersSince it returns only the read-only copy for stored value of argv[0]. It does not need any inputs from the user.ExampleCreate a file with name – ... Read More

The process.argv() method is used for returning all the command-line arguments that were passed when the Node.js process was being launched. The first element will always contains the same value as process.execPath.Syntaxprocess.argv()ParametersSince it returns all the command line arguments passed before the node.js process. It does not need any inputs ... Read More

The process.arch() method is used for getting the CPU architecture of the computer for which the compilation of current node.js process is taking place. Some of the possible values for the same are: 'arm', 'arm64', 'ia32', 'mips', 'mipsel', 'ppc', 'ppc64', 'x32', 'x64', etc.Syntaxprocess.arch()ParametersSince it returns the architecture for the code ... Read More

The decipher.update() is used to update the decipher with the receivd data according to the given encoding format. It is one of the inbuilt method that is provided by the class Decipher within the crypto module. If an input encoding is specified, the data argument is a string, else the ... Read More

The decipher.final() is used to return a buffer or string containing the value of decipher object. It is one of the inbuilt method that is provided by the class Cipher within the crypto module. The decipher method cannot be used to decrypt data once the decipher.final method has been called. ... Read More

The crypto.scrypt() method provides an asynchronous implementation for scrypt method. The scrypt can be defined as a password-based key derivation function that protects the system from the brute-force attacks and makes it unawarding. But the script function is expensive computationally as well as memory-wise.Syntaxcrypto.scrypt(password, salt, keylen, [options], [callback])ParametersThe above parameters ... Read More