Python Tutorial: OS Module - Use Underlying Operating System Functionality

[@shreyaschavhan5522]

+ os.getcwd() => get current working directory + os.chdir() => change directory + os.listdir() => list directory + os.mkdir() => create a directory + os.makedirs() => make directories recursively + os.rmdir() => remove directory + os.removedirs() => remove directory recursively + os.rename(, ) => rename file + os.stat() => print all info of a file + os.walk() => traverse directory recursively + os.environ => get environment variables + os.path.join(, ) => join path without worrying about / + os.path.basename() => get basename + os.path.dirname() => get dirname + os.path.exists() => check if the path exists or not + os.path.splitext() => split path and file extension + dir(os) => check what methods exists

[@trigobrooken6260]

thank you best friend

[@Freddietheking]

Thank you best friend forever.

[@manavgora]

thanks bro

[@clarity3208]

Thank you best friend

[@banchanbet4524]

thank you bro

[@dev_soda8315]

its so sad that this guy has not uploaded any content for over a year now... his tutorials are always the best, most methodically thought out pieces of work on the platform

[@iluvuvibez6644]

You already finished all 143 of the python videos?

[@Stopinvadingmyhardware]

Nobody cares that some 15 year old girl working for the Mexican cartels goes around raping dude to try and extort them. Nobody gives a shit.

[@pinnaclesystemsgroup6472]

I agree .. he is sorely missed

[@pubgdoremongamer8823]

yeah right 😞

[@texastitan6567]

He’s back in action now!

[@chuanliangjiang7390]

It is very excellent tutorial, much better than some paid python tutorial vedios in Udemy for i in range(1,1000000): print('Thank you so much for sharing this wonderful tutorial')

[@Pr0G4m3R4u]

while True: print('Thank you so much for sharing this wonderful tutorial')

[@greenballscience9514]

(Python script is in c:/pyproj/thankyou.py) Import subsystem Subsystem.call([C://Python//Python.exe, C://pyproj//thankyou.py]) while True: Print(“Thank You So Much”)

[@Nurtastube]

@@Pr0G4m3R4u 😂😂😂

[@grad6grade]

@@greenballscience9514 it should be like: import os os.system(''C://Python//Python.exe, C://pyproj//thankyou.py")

[@oberyn.freezingmoon]

Error, wait for script to finish.. .. CTRL+C >>> python Greenball_Science.py now you were saying?

[@sreedharIITR]

For windows users, print (os.environ.get("HOME")) won't work as there is no HOME folder, instead it is USERPROFILE. So, type USERPROFILE instead of HOME.

[@murakumo222]

THANKS A LOT!!! i just can't get it work until i saw this comment. but why i can't get it to search other folders? am i only able to search within the same tree?

[@kostasnikoloutsos5172]

Thank you. Now I made this who gives you the desktop path.Pretty useful if you want to create something in the desktop. os.path.join(os.environ.get("USERPROFILE"), "Desktop")

[@AnthonyMute]

@murakumo222 I don't know if you finally did it but assuming you are referring to os.walk() you could do the os.walk('C:\\Users') replacing the string with whatever directory you want the tree on.

[@cjz5757]

Sukant Arora os.environ.get('HOME') works just fine for me

[@MagnusAnand]

os.environ.get("HOME") worked fine for me in Windows 10

[@codaadoc5302]

A tutorial for the sys module would help tremendously. It's difficult to find someone like you who can explain things in such detail as well as show how useful certain things within python can be without half-assing it. Thanks, Corey.

[@jordangillard2637]

Bless your soul Corey! The os module has always been such a pain to learn. When you first see it in code it's so cryptic. Thanks for breaking it down for us!

[@bactran7799]

every time I need a tutorial video for Python, Corey is always the best one with really well organized, fully information and easily to remember. Thanks a lot Corey

[@codingisthebest3914]

Your grammar is wrong, the quote should be, "Every time I need a tutorial video for Python, Corey is always the best one with really well organized, full information and easy to remember. Thanks a lot Corey."

[@einekleineente1]

@@codingisthebest3914 Ich würde mal sagen,dass du ein Klugscheißer bist :)

[@doodahgurlie]

@@codingisthebest3914 Based on his name, he's not American, so it's fine. I agree with what oneLittleDuck wrote in German. LOL

[@NicolasChanCSY]

For anyone who needs to work with paths and don't want to deal with the forward/backward slashes difference between Linux, Windows, and MacOS, you can consider or at least take a look at the module `Pathlib`. It is simpler and easier to manipulate in my opinion. My favourite part of the module is its slash operator, e.g. taken from the documentation ```python >>> p = PurePath('/etc') >>> p PurePosixPath('/etc') >>> p / 'init.d' / 'apache2' PurePosixPath('/etc/init.d/apache2') ``` Thus, you are free from the long `os.path.join()` method call introduced in 14:05 and make things cleaner and more readable.

[@sujithnair232]

for Windows users I used HOMEPATH instead of Home , use SET Command to be able to see all environment variables on CMD print(os.environ.get('HOMEPATH'))

[@knownwolf]

These Python videos are extremely helpful, thank you. I would be grateful if you added chapters. Some of the 10 minute plus videos have a lot of concepts and it would be great to jump back into a specific section when in need of a refresher. Keep up the excellent work and stay Pythonic my friend.

[@greenballscience9514]

Pythonic?

[@khaled-dz8357]

The best one i have ever seen in teaching coding . Thank you so much man

[@yomajo]

I never read your descriptions, but after seeing what's on your amazons' wish list, I can tell, you aint no ordinary tutor. Respect. Sharp, evolving mind.

[@engr.mubasharhanif]

hey are you programmer now?

[@yomajo]

@@engr.mubasharhanif Hey. still and will continue to hold myself newbie, but I do have production web app running that I charge the client for.

[@salkdjfasldkfjsdlk]

You are very good at explaining Python modules and their practical uses.

[@GihanJayaneththie]

Simple, well organized, great for beginners and informative. Nothing but least speaks English doesn't try to showoff.

[@mubashirmuhib8339]

From 00:02 The Os Module From 00:06 Os Module From 00:27 Import the Os Module From 01:31 Navigate to a New Location on the Filesystem From 04:32 Leading Folders From 05:27 Rename a File or a Folder From 10:09 Walk Method From 14:04 Os Path Join From 15:49 Os Path Base Name From 17:31 Split Ext

[@sahajjaiswal1074]

you are much better than my faculty handling python course....

[@АлексейСоков-ь8и]

It is so demonstrating that you can hardly find any questions in the comments - there are only thanks and insparations 😏 The explanation is so clear that it leaves nothing to ask about 💎 Great job 👍

[@veeresharadhya1430]

please make one tutorial for sys module as well... :-)

[@ivandrofly]

yeah thumbs up!

[@Ryu23-x5]

Yeah Corey! one for the sys module please! :)

[@davidreynolds9649]

and subprocess ;-)

[@RaviTejaKalidindi]

and pdb debugger as well if possible :)

[@beaconbecay1648]

Veeresh Aradhya yes please. Been struggling with stdin and stdout

[@misty_jeera]

Tip : if you are in windows, always use // instead of / while defining path names, otherwise you get errors apparently : ) Eg: os.chdir("C://Users//Desktop//text.txt")

[@dostonbektoirov7110]

Also, you can use r'C:/Users/Desktop/..' to make Python treat it as a raw string.

[@turboromy]

I was surprised how quick that search was wth os.walk().... and at the same time, wondered why Windows "Find" takes so long. Thanks for the great teachings.

[@zacharysimpson4025]

I've been learning python for several months now, and not once did i ever see anything about print(dir())! Like given!

[@erfantaghvaei3952]

I love Corey's teaching ... and accent!

[@MattWatsonHarmonica]

Thank you! I've been using the os module for years and had no idea about os.walk()! Will be putting this to good use!

[@JoyDavidson]

Corey, I hope you are well today. 🤙🤙 I have been sober for one year. We got this.

[@kshitijkumar326]

This is an important suggestion for tutorials. Use Jupyter notebooks for tutorials. You won't have to erase your codes and output is line by line which is really easy to understand.

[@coreyms]

I enjoy using Jupyter notebooks and have a video on how others can begin using them, but I have found that for tutorials it is best to stick with simple editors that beginners are more familiar with. They may become confused when their code with a notebook doesn't run top-to-bottom like a typical script. Thank you for the suggestion though. I will think more about it.

[@rishabh.bharat]

@@coreyms exactly right sir Corey Scafer, you always think about your community....that's the real quality of a classic teacher :) ..also in Jupyter nb you may have to restart kernel or delete that cells to wash off unwanted variables from your code snippet..so I too think Sublime is best option from a learners point of view

[@Setssquare]

Thanks a lot i started my cyber security journey yesterday , I was advised to learn this module thanks!!!!

[@manuelch4589]

Excellent! I really appreciate you sharing so much knowledge at no cost. I am getting it slowly. Thank you

[@seanhogan317]

You are an excellent presenter. The details were very well explained. I learned a lot. Thank you

[@soumyazyx]

Thank you Corey for your time and effort. Keep spreading the knowledge.

[@jwarsame9661]

Thank you Corey Schafer you're the best teacher for pyhton

[@mr.curious1714]

You are the greatest Python teacher

[@MrKungfu218]

This was a very good video lesson for me as a beginner. I signed up for a Udemy class but found the content on OS Module functionality left me with some questions. I will definitely be using your videos as a resource1

[@abeburdock7791]

Which Udemy python class are you taking? I plan on taking a Udemy class for Python to supplement what I learn from Corey's channel. Thanks.

[@sameerspl]

Thanks Corey. I have started following you.. You make things so simple when it comes to using necessary commands in python.

[@nameless191]

Great tutorial straight to point teaching the stuff that actually creates complex programs in a simple way is great

[@akira_asahi]

Thank you for the video. I am grateful for your time and contribution. Kind regards, Akira.

[@HW-ct1iq]

Super good whistlestop tour. Just what I needed.

[@jackieinspace]

Very nice! Tight and down to the core of what is needed!

[@ABMA79]

wonderful explanation.... Thanks a lot for making it more clear brother. you should honestly be a teacher.

[@klamentyne5991]

Extremely useful and explained so well...thanks Corey!

[@mansimandlik9013]

You teach in a interesting way sir ,Thanks Today i have learned all things i was trying to learn from many days

[@chaitanyayeturi1312]

First of all, your teaching style is good, and anyone grabs ur teachings easily, and thanks for teaching us. you are the best tutor I have ever come up with in python language. can u suggest any python language book, which is best to go through other than your channel? Moreover, I am a beginner to python language I thoroughly enjoyed ur videos, if u can suggest me best python book to ur sensibility and I guess it suits me and it helps me to learn further (I like physical like books). In case if u written any books related to this language can u suggest one (or) your favorite book, please......................................

[@soumyazyx]

I am a huge fan of yours .. like countless others. I have been telling about this python playlist to each and everyone of my colleagues who are interested in python. I also emphasize that wander nowhere else. This is the place to be. On a side, How do you feel Corey to read such overflowing wonderful comments on you and your work? Would really like to know :)

[@coreyms]

I'm extremely grateful for all of the kind comments. I love reading comments from you all each morning.

[@carltechnologies2829]

What a very helpful tutorial, I owe you more than a subscription

[@SandraWantsCoke]

because windows uses \ backslash for directories, Python will think you're using escape characters, because that's what backslash is for. So, before the string put the letter r to indicate you're passing the raw string as it is. import os os.chdir(r'C:\Users\Adolf\Desktop') print(os.getcwd())

[@kom_senapati]

Yo this is included in summer analytics 2023 curriculum 👌

[@LeirbagIII]

This si pretty interesting, Corey!! Thanks a lot for your help!

[@edchelstephens]

Another excellent tutorial! 💯 Thanks a lot Corey 🙏

[@Imran20091990]

Don't know what to say.. excellent 👌👌👌👌

[@cibelless510]

OMG, you are really good! Very clear voice and excellent explanation. Thanks for share.

[@antonybelkovich7012]

Corey , thank YOU at the highest degree !

[@prabhavrajeev9682]

Heres a summary of all the functions he introduced, Hope somefun finds it useful import os print(dir(os)) # list all methods associated with the module cwd = os.getcwd() # get current working directory print(cwd) os.chdir('path to change into') print(os.listdir()) # list everything in current directory os.mkdir('test-folder') # Make directory os.makedirs('lvl1/lvl2') # Make directory from folder structure os.rmdir('test-folder') # remove a single folder os.removedirs('lvl1/lvl2') # for removing recursively os.rename('org name','new name') # renaming a file os.stat('folder name') # returns an array of usual information os.walk('path') # traversing top down for dirpath, dirnames, filenames in os.walk('path'): pass os.environ.get('HOME') # get home env variable os.environ # get all environ variables file_path = os.path.join('path1','path2') os.path.basename('path') # gets filename from path os.path.dirname('path') # gets the directory name os.path.exists('path') # such a path exists os.path.isdir('path') # check if directory os.path.isfile('path') # check if file os.path.spiltext('path') # split extension from path for eg : (file_path without extension, file_extension)

[@samhhhhh]

Excellent explanations and examples, thank you!

[@divyasris9231]

super super super. excellent teaching skills.

[@heshankumarasinghe3159]

An excellent tutorial. Learnt new stuff and this video helped me clear some doubts. Thanks a lot!!!

[@justgivemethetruth]

Good, useful. Lots of stuff in the os module, that is for sure.

[@sacredinclinations]

thanks for this video, clear and helpful and I learnt some new stuff. Please keep on releasing more!

[@shirzadroohi3000]

Thanks, it was very useful for me as a python beginner.

[@karimkazia]

Thank you very very much for these videos. Learning a lot from your videos.

[@dilshadomar5078]

grate video am always around and always learning somthing new from the same video

[@geetavishwakarma4883]

Very informative and helpful. And also very well explained. Thank you

[@moha_linus]

i'dont speak english but i understand what do u doing ur the bes bro ,, all love

[@jignareshamwala3401]

@Corey Schafer. Your tutorials are awesome! Thank you! :)

[@gregoryfenn1462]

Very helpful guide to such an import module :) thanks!

[@Akashdoifode]

Thanks a lot for this video. Really helpful

[@juliankercsik5641]

Thanks Corey bloody good show old chap!!!

[@ArunKumar-qy6fm]

Superb Corey. You are going beyond of our expectations. Keep it up.

[@ramnageena88]

this is my first comment in youtube I like this video good work

[@heshankumarasinghe3159]

Thank you for the video..... Learnt new stuff from this.....

[@Tamer_Gomaa]

Awesome 👍🏼. Great explanation

[@meowmeow70]

Thank you Corey. Truly appreciate what you share.

[@nolevel433]

Thats so brilliantly explained. Thanks a lot !!!!

[@samsam8458]

Hi Corey.. At 8:45 you suggested that os.walk yields a 3 value tuple.. I tried to check the type and can see-- Files are - Dir is Root is Can you please help me understand how I can get the values as tuple.

[@ai.simplified..]

It,s 3rd min &i already loved it.

[@laierr]

3:05 OS dot make DUURR

[@bharath695]

I love this video tutorial just like many :-). As a systems admin, I would like to learn more about the os module. If possible you can make an advanced tutorial on this.

[@shashik962]

This is different to improve knowledge of OS.

[@vladn.2332]

Thank you for the clear and concise explanation!

[@MatiasEzelQ]

Amazing the simplicity of python :O

[@hamedbakhti1752]

Thanks bro!!! its very helpful... Good luck

[@luisrosales3058]

Great tutorial. Simple and straight.

[@Samuftie]

very clear and precise. thank you.

[@shriramkaucyk7491]

Awesome one to start with. Just a lot of things.

[@learnpy2583]

this guy is so clear,

[@ravialwayswins]

Really really good stuff Corey!

[@farmakoxeris]

7:39 What about doing it manually? What is the meaning of the number 1459929315.0? I suppose it's a number if seconds beyond a base date/time (perhaps 1/1/1900 00:00:00).

[@kelvinmacharia3715]

This a very good tutorial.Thank you Corey

[@tav9755]

Thanks for this very useful and well presented tut..

[@Shlomojohn]

Really well explained thanks 👍🏻

[@manjsc]

Really informative and very well explained. Thank you

[@mcmormus]

Hey, can someone please explain when and why I get double slashes in some "path" strings? For example when I print(os.environ): "ALLUSERSPROFILE': 'C:\\ProgramData'"?

[@smithocoro1140]

Asombroso amigo eres asombroso como explicas, tiene un suscriptor

[@suryakantmishra6866]

simply awesome.. thanks Corey :)

[@ji-axinliu4448]

thank you Sir helped my work a lot

[@paula98033]

HI Corey, thank you for all the great videos. I disagree with you in regard to not having numbers for your videos! specially for people my niece who started learning python, it is great way of organizing her thought and building solid foundation of how to. PLEASE NUMBER YOUR VIDEOS.. SAVY USER THEY CAN SEARCH FOR THEIR TOPIC ACCORDIGLY. THANK YOU AGAIN FOR ALL YOUR HARD WORK. I WILL CONTRIBUTE $100.00 AS A ONE TIME CONTRIBUTION VIA MY CREDIT CARD.

[@coreyms]

Thanks for the suggestion and thanks for the contribution! It helps more than you know!

[@helpmenowmark]

This is sort of a related topic with importing (my personal library is called "common" or more specifically "common.py". On my particular computer I had to include the sys.path.insert(0, 'j:\\blender library\\scripts\\common\\') so that my other *.py scripts would recognise common.py. The real line of interest is reloading a module needs to be reloaded to obtain the lastest changes (without having to restart python). #import bmesh #import bpy import os import sys import importlib # clear the system.console os.system("cls") # make the default directory where my current script is running.... os.chdir("j:\\blender library\\scripts\\") # add the common directory so my modules can be found when called import sys sys.path.insert(0, 'j:\\blender library\\scripts\\common\\') # line(s) of interest - import my common module that I reuse over and over again import common # reload itself ... so any recent changes will be included (without having to restart python). common = importlib.reload(common)

[@dilipwarrier5199]

Thank you, Sir. Your videos are extremely helpful.

[@cooleekova]

thank youuu! your tutorials are awesome!

[@paulklimenko8419]

the os.removedirs does it delete to recycle bin? or without recycle bin?

[@paulklimenko8419]

please anyone

[@anthonyoyenuga7653]

No, It doesn't. It permanently deletes the directory/directories.

[@shazkingdom1702]

now I understand this OS & good use case for file manipulation! THANK YOU COREY!

[@sundareshbarana7860]

Thank You Corey. Your videos are best one for python beginners.