shutil.which() Method Syntax in Python

Syntax: shutil.which(cmd, mode = os.F_OK | os.X_OK, path = None)

Parameters:

• cmd: A string representing the file.
• mode: This parameter specifies mode by which method should execute. os.F_OK tests existence of the path .
• os.X_OK Checks if path can be executed or we can say mode determines if the file exists and executable.
• path: This parameter specifies the path to be used, if no path is specified then the results of os.environ() are used

Return Value: This method returns the path to an executable application

Shutil module in Python provides many functions of high-level operations on files and collections of files. It comes under Python’s standard utility modules. This module helps to automate the process of copying and removal of files and directories.

shutil.which() method tells the path to an executable application that would be run if the given cmd was called. This method can be used to find a file on a computer that is present on the PATH.