How to check empty file

Such files can't be considered as an empty file. Let's define variables now - emptyfile and nonemptyfile pointing to an empty file having zero bytes and a non-empty file having the size of one byte:. Alternatively, we can use Python's os module to check this information as well. The os. This object is basically a data structure that is collection of the file's properties:. Python's os. Apart from checking existence of a path or distinguishing their type we can also retrieve the size of a file specified as a string.

If we are working on Python 3. This basically replaces the os module. Check out our hands-on, practical guide to learning Git, with best-practices, industry-accepted standards, and included cheat sheet. Stop Googling Git commands and actually learn it! A directory that contains no other files or sub-directories is an empty directory.

However, every directory even empty ones do contain the following 2 entries:. Let's define two variables - emptydirectory and nonemptydirectory pointing to an empty and a non-empty directory:.

It does not include the. Collectives on Stack Overflow. Learn more. How to check if the file input field is empty? Ask Question. Asked 9 years, 9 months ago. Active 2 years ago. Viewed 72k times. Improve this question. Cozy 5 5 silver badges 14 14 bronze badges. Mohamed Hassan Mohamed Hassan 1, 3 3 gold badges 18 18 silver badges 35 35 bronze badges.

Consult the manual Filesize of 0? No file selected for upload? No selected file that;s what i mean — Mohamed Hassan. Add a comment.

Active Oldest Votes. I changed the names to match your parameter. Vytaute Vytaute 11 1 1 bronze badge. CroCo CroCo 5, 7 7 gold badges 48 48 silver badges 76 76 bronze badges. Fair enough. LightnessRacesinOrbit, you are right, however no need for going through all lines of a file. The while loop could be stopped once the first line is being detected and set isEmpty to false.

If that could enhance the code. I can understand this code is suboptimal but why it is wasteful? The OP is not asking or looking for sufficient or so optimized code. Reading those characters was pointless. Mansoor Mansoor 2, 1 1 gold badge 14 14 silver badges 26 26 bronze badges. Aylian Craspa Aylian Craspa 3 3 silver badges 11 11 bronze badges. While this might provide a solution to OP's question, there is no explanation of the code. Sign up or log in Sign up using Google.

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