C programming display contents file

Pointers in C. Find roots of a quadratic equation. Print Pyramids and Patterns. Check prime number. Print the Fibonacci series. Reference Materials string. Start Learning C. Explore C Examples. Related Topics Write a Sentence to a File. Read the First Line From a File. C clearerr. Display its own Source Code as Output. C "Hello, World! C File Handling In this tutorial, you will learn about file handling in C. A file is a container in computer storage devices used for storing data.

Why files are needed? When a program is terminated, the entire data is lost. Storing in a file will preserve your data even if the program terminates. If you have to enter a large number of data, it will take a lot of time to enter them all. However, if you have a file containing all the data, you can easily access the contents of the file using a few commands in C.

You can easily move your data from one computer to another without any changes. Before executing the program given below that reads and display a file, a file must be created. Therefore, a file was created as mentioned in previous program of Read a File , named codescracker. This file must be saved in the folder where you are going to save the program given below. Because I'm going to save the program in c programs folder of Documents directory.

Therefore, the file codescracker. Here is the snapshot of the folder c programs. See the textual file is available in this folder:. To read and display file's content in C programming, you have to first open that file by using fopen function.

Here is the snapshot of opened codescracker. And here is the folder, cpp programs where the file is saved.

Now open the file using open function. And then read its content in character-by-character manner. Display the content character by character at the time of reading as shown here in the following program:. Computer Sci. Computer Architecture. Computer Network. Database DBMS. Learn SQL. Practice SQL. More Tutorials Game Development. GO Language. GIT Guide. Linux Guide.

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