Python file find string

To do so, let us write the below code. Later on, it creates an empty list of tuples y. Then again, it opens the file in read-only mode and iterates over each line sequentially to get the desired string. Now assume, your text file has the below lines. File handling skills are essential as a Python developer.

Developers often need to access and manipulate data in files, whether reading from them or writing into them. Hey guys! I earn a full-time income online and on MaschiTuts I gladly share with you guys how I stay on top of the game!

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And I would like to make sure that YOU can get on this path as well! Steven Steven The second solution does not give the same results as 'blabla' in open 'example. Strange, it does work with s. I could swear it used to work with in as well But it seems now that in only works for single characters Show 7 more comments. Note the difference: def check : with open 'example. Here's another way to possibly answer your question using the find function which gives you a literal numerical value of where something truly is open 'file', 'r'.

Stephan You want something like this: if check : print "true" else: print "false" Good luck! Jeffrey Greenham Jeffrey Greenham 1, 5 5 gold badges 15 15 silver badges 33 33 bronze badges. I see, it works now. Seems a bit weird to me though, this means that Python says "a module is True, unless stated otherwise". So if I'd make an empty module, it'd always be true?

Interesting : — HankSmackHood. No, not at all - nothing to do with modules. You were simply checking whether True was true, which it is. Coco Coco 1 1 gold badge 9 9 silver badges 18 18 bronze badges. Sam Dolan Sam Dolan I spent half a day to guess what is happening with the answer they validated while it is totally WRONG. Only yours worked for me — user Two problems: Your function does not return anything; a function that does not explicitly return anything returns None which is falsy True is always True - you are not checking the result of your function.

Hugh Bothwell Hugh Bothwell If user wants to search for the word in given text file. But, no runtime error from Python Interpreter. In this Python Tutorial , we learned how to read file content to a string.

Python Programming. Python Decision Making. Python Builtin Functions. Python Dictionary. Generally, to read file content as a string, follow these steps. Open file in read mode.