In C language, file handling enables us to create, update, read, and delete the files stored on the local file system. The following operations can be performed on a file.
- Creation of the new file
- Opening an existing file
- Reading from the file
- Writing to the file
- Deleting the file
Functions for file handling : There are many functions in the C library to open, read, write, search and close the file. A list of file functions are given in following table :
| Functions | Description |
|---|---|
| fopen() | Opens new or existing file |
| fprintf() | Write data into the file |
| fscanf() | Reads data from the file |
| fputc() | Writes a character into the file |
| fgetc() | Reads a character from file |
| fclose() | Closes the file |
| fseek() | Sets the file pointer to given position |
| fputw() | Writes an integer to file |
| fgetw() | Reads an integer from file |
| rewind() | Sets the file pointer to the beginning of the file |
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