In Python, using the __file__ is the easiest way to get name of current script. Using Module Attributes You can use __file__ to get the name of the current file. When used in the main module, this is the name of the script that was originally invoke...

In Golang, using the Sum256 function is the easiest way to get a SHA256 hash from a string.Go implements several hash functions in various crypto/* packages. Using Sum256 Function The sha256.Sum256() function returns the SHA256 checksum of the data...

In Golang, using the Sum function is the easiest way to get a MD5 hash from a string. Using Sum Function The md5.Sum() function returns the MD5 checksum of the data. The following example should cover whatever you are trying to do: package mai...

In Python, there are 2 ways to delete the contents of a folder. Using rmtree Method The shutil.rmtree() method deletes an entire directory tree; path must point to a directory. For example, #!/usr/bin/python3 # Import module import os, shutil ...

In Golang, using the Readdirnames function is the easiest way to check if directory on path is empty. Using Readdirnames Function The file.Readdirnames(n int) function reads the contents of the directory associated with file and returns a slice of ...

In Golang, there are 2 ways to check if a file is a valid image. Using DetectContentType Function The http.DetectContentType() function implements the algorithm described at https://mimesniff.spec.whatwg.org/ to determine the Content-Type of the gi...

In Python, using the os.environ variable is the easiest way to set environment variables Using os.environ Variable os.environ behaves like a python dictionary, so all the common dictionary operations can be performed. In addition to the get and set ...

In Python, there are 2 ways to get a list of all subdirectories in the current directory. Using os.walk Function The os.walk() method generates the file names in a directory tree by walking the tree either top-down or bottom-up. The following examp...

In Python, there are 2 ways to retrieve a module's path. Using __file__ Attribute You can retrieve a module's path using the __file__ attribute. For example, #!/usr/bin/python3 # Import module import os print(os.__file__) /usr/local/lib/pyt...

In Python, there are 2 ways to get an absolute file path. Using abspath Function The os.path.abspath() method returns a normalized absolutized version of the pathname path. For example, #!/usr/bin/python3 # Import module import os abs = os.pat...

In Python, there are 3 ways to get the size of a file. Using os.path.getsize Method The os.path.getsize() method returns the size, in bytes, of path. Raise OSError if the file does not exist or is inaccessible. For example, #!/usr/bin/python3 #...

In Rust, using the read_dir function is the easiest way to list files of a directory. Using read_dir Function The fs::read_dir() function returns an iterator over the entries within a directory. See the following example: use std::fs; fn main...

In Golang, using the cases package is the easiest way to make first letter of words uppercase in a string. Using cases Package install Use the following command to download the repository to the local file system. install go mod tidy ...

In Golang, there are 2 ways to copy a file. Using io.Copy Function You can copy a file using the io.Copy() function. For example, package main import ( "io" "os" ) // Copy the src file to dst. func Copy(src, dst string) error { in, err...

In Python, there are 3 ways to get file creation and modification dates times. Using os.path Function The os.path.getmtime() function returns the time of last modification of path. The os.path.getctime() function returns the system’s ctime which, o...