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what does os path expanduser do

by Jamil Quitzon Published 3 years ago Updated 2 years ago

os.path.expanduser () method in Python is used to expand an initial path component ~ (tilde symbol) or ~user in the given path to user ’s home directory. On Unix

Unix

Unix is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

platforms, an initial ~ is replaced by the value of HOME environment variable, if it is set.

Full Answer

What is the use of OS path in Python?

os.path module is sub module of OS module in Python used for common pathname manipulation. os.path.expanduser() method in Python is used to expand an initial path component ~( tilde symbol) or ~user in the given path to user’s home directory. On Unix platforms, an initial ~ is replaced by the value of HOME environment variable, if it is set.

How do I expand a path in Python?

Unlike a unix shell, Python does not do any automatic path expansions. Functions such as expanduser () and expandvars () can be invoked explicitly when an application desires shell-like path expansion.

How do I set the extension of a path in Linux?

Split the pathname path into a pair (root, ext) such that root + ext == path, and the extension, ext, is empty or begins with a period and contains at most one period. If the path contains no extension, ext will be '': If the path contains an extension, then ext will be set to this extension, including the leading period.

What is relpath in OS path?

os.path. relpath (path, start=os.curdir) ¶ Return a relative filepath to path either from the current directory or from an optional start directory. This is a path computation: the filesystem is not accessed to confirm the existence or nature of path or start. On Windows, ValueError is raised when path and start are on different drives.

What is os path Expanduser?

path. expanduser() method in Python is used to expand an initial path component ~( tilde symbol) or ~user in the given path to user's home directory. On Unix platforms, an initial ~ is replaced by the value of HOME environment variable, if it is set.

What does os path do?

The os. path module is a very extensively used module that is handy when processing files from different places in the system. It is used for different purposes such as for merging, normalizing and retrieving path names in python .

Why we use os path join?

Using os. path. join makes it obvious to other people reading your code that you are working with filepaths. People can quickly scan through the code and discover it's a filepath intrinsically.

What does path () do Python?

basename(path) : It is used to return the basename of the file . This function basically return the file name from the path given.

What is os path exists?

path. exists() method in Python is used to check whether the specified path exists or not. This method can be also used to check whether the given path refers to an open file descriptor or not.

What is a computer path?

Similarly, in the computer world, a path defines the location of a file or folder in a computer's file system. Paths are also called "directory paths" because they often include one or more directories that describe the path to the file or folder. A path can either be relative or absolute.

Does os path join Return string?

Return Value The os. path. join() method returns a string that represents the concatenated path components.

What is the use of os path Dirname file in this method?

dirname() method in Python is used to get the directory name from the specified path. Parameter: path: A path-like object representing a file system path. Return Type: This method returns a string value which represents the directory name from the specified path.

Does os path join create folder?

join method combines one or more path names into a single path. This method is often used with os methods like os. walk() to create the final path for a file or folder. os.

How do you write an os path in Python?

Path writing in Python In wiNdows, the path is usually written with the use of a backslash (\). It acts as a separator between the folder names. In other operating systems like Linux, OS X, we use forward-slash (/) as the separator between the paths.

What is os path Realpath (__ file __)?

path module is sub module of OS module in Python used for common path name manipulation. os. path. realpath() method in Python is used to get the canonical path of the specified filename by eliminating any symbolic links encountered in the path.

What happens if path is empty?

If path is empty, both head and tail are empty. Trailing slashes are stripped from head unless it is the root (one or more slashes only). In all cases, join (head, tail) returns a path to the same location as path (but the strings may differ). Also see the functions dirname () and basename ().

What is os.path module?

The os.path module is always the path module suitable for the operating system Python is running on, and therefore usable for local paths. However, you can also import and use the individual modules if you want to manipulate a path that is always in one of the different formats. They all have the same interface:

Can file names be Unicode?

Applications are encouraged to represent file names as (Unicode) character strings. Unfortunately, some file names may not be representable as strings on Unix, so applications that need to support arbitrary file names on Unix should use bytes objects to represent path names.

Can Python bytes represent all files?

Vice versa, using bytes objects cannot represent all file names on Windows (in the standard mbcs encoding), hence Windows applications should use string objects to access all files. Unlike a unix shell, Python does not do any automatic path expansions.

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