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Table of contents
1.
Introduction
2.
os path splitext
2.1.
Syntax
3.
Example
4.
Implementation
5.
Frequently Asked Questions
5.1.
What is os path splitext?
5.2.
What is the return value of os.path.splitext?
5.3.
What is os.path.join used for?
5.4.
What is os.walk Python?
5.5.
What are some common filename manipulators?
6.
Conclusion
Last Updated: Mar 27, 2024
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OS Path Splitext

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Introduction

This article will discuss one of the common pathname manipulators, os path splitext.

But before preceding this, let’s discuss the os.path. os.path is a common pathname manipulator or is a submodule of the OS module in Python. OS comes under Python’s standard utility modules and provides functions for interacting with the operating system.

os.path.splitext Image

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

Recommended Topic, Floor Division in PythonFibonacci Series in Python

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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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.

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 is os path splitext?

It is a method to split the path name into a pair root and ext.

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.

What is os.walk Python?

The os.walk() is a built-in Python method that generates the file names in the file index tree by walking either top-down or bottom-up.

What are some common filename manipulators?

os.path.abspath(path), os.path.basename(path), os.path.commonpath(paths), os.path.getsize(path, os.path.isfile(path) are some commonly used common filename manipulators.

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.

After reading about the os path splitext, are you not feeling excited to read/explore more articles? Don't worry; Coding Ninjas has you covered. See PythonBasics of PythonFunctions in Python, Convert String to List Python and Testing Framework in Python to learn.

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