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Table of contents
1.
Introduction
2.
What is OS.Path.Splitext()?
2.1.
Syntax
3.
OS Path Splitext() Example
4.
OS Path Splitext() Implementation
5.
Frequently Asked Questions
5.1.
What does os path Splitext do?
5.2.
What is path split?
5.3.
What is the use of os path Isfile?
5.4.
What is the return value of os.path.splitext?
5.5.
What is os.path.join used for?
6.
Conclusion
Last Updated: May 4, 2024
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OS Path Splitext() Method

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Introduction

The Os module in Python encompasses common pathname manipulators, including os.path.splitext. Os.path is a submodule of the OS module, offering functions for interacting with the operating system. Specifically, os.path.splitext is a widely used pathname manipulator discussed in this article.

os.path.splitext Image

Now, let’s discuss the os path splitext method and its uses.

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What is OS.Path.Splitext()?

In Python, os path splitext method is used to split the pathname into pairs (root, ext).

If(os.path.splitext(path)), then

We can also write it as root+ext==path.

From the above, 

ext means extension, which is empty or begins with a period ('.') and contains at most one period. It has the extension portion of the specified path. Also, if the specified path has a leading period (‘.’), it will be ignored.

root is everything except the extension part.

Syntax

os.path.splitext(path)

Let’s discuss the examples for better understanding.

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OS Path Splitext() Example

In this example, the path has no extensions therefore ext will be empty.

splitext('Coding Ninjas Studio')

('Coding Ninjas Studio', '')

Example 1 Image
 

In this example, the path contains an extension therefore ext=.exe (including the leading period). The previous period will be ignored.

splitext('Coding Ninjas Studio.study.exe')

('Coding Ninjas Studio.study', '.exe')

Example 2 Image

 

Similarly in this example, the previous period will be ignored and the ext will be set as .txt including the leading period.

splitext('/Coding Ninjas Studio/study.txt')

('/Coding Ninjas Studio/study', '.txt')

Example 3 Image

 

In this example, the path contains only one component having the leading period. Therefore the path is considered as a root and the ext will be empty.

splitext('.codingninjas')

('.codingninjas', '')

Example 4 Image

Let’s see the implementation of the above examples.

OS Path Splitext() Implementation

import os
# path
path='Coding Ninjas Studio' 
root_ext = os.path.splitext(path)
print("root part of '% s' is" % path, root_ext[0])
print("ext part of '% s' is" % path, root_ext[1], "\n")
  
# path
path='Coding Ninjas Studio.study.exe'
root_ext = os.path.splitext(path)
print("root part of '% s' is" % path, root_ext[0])
print("ext part of '% s' is" % path, root_ext[1], "\n")

#path
path='Coding Ninjas Studio/study.txt'
root_ext = os.path.splitext(path)
print("root part of '% s' is" % path, root_ext[0])
print("ext part of '% s' is" % path, root_ext[1], "\n")

#path
path='.codingninjas'
root_ext = os.path.splitext(path)
print("root part of '% s' is" % path, root_ext[0])
print("ext part of '% s' is" % path, root_ext[1])

 

Output:

root part of 'Coding Ninjas Studio' is Coding Ninjas Studio
ext part of 'Coding Ninjas Studio' is  

root part of 'Coding Ninjas Studio.study.exe' is Coding Ninjas Studio.study
ext part of 'Coding Ninjas Studio.study.exe' is .exe 

root part of 'Coding Ninjas Studio/study.txt' is Coding Ninjas Studio/study
ext part of 'Coding Ninjas Studio/study.txt' is .txt 

root part of '.codingninjas' is .codingninjas
ext part of '.codingninjas' is 

 

You can practice by yourself with the help of online python compiler.

Now, let’s see some FAQs related to the os path splitext.

Frequently Asked Questions

What does os path Splitext do?

os.path.splitext() is a Python function that splits a pathname into its base name and extension. It returns a tuple containing the base name and extension separately.

What is path split?

The function path split divides a file path into its component file name and directory name and returns each one separately.

What is the use of os path Isfile?

os.path.isfile() is used to check if a given path points to a regular file. It returns True if the path exists and is a file, otherwise False.

What is the return value of os.path.splitext?

The splitext() method returns a tuple representing the root and ext part of the specified pathname.

What is os.path.join used for?

The os.path.join() is a method in Python to join one or more path components.

Must read: Python Square Root

Conclusion

We have discussed os path splitext with its syntax. Also covered the examples and implementation of os path splitext in Python.

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