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21 sie 2012 · To find out the end of the file with symbols you can use EOF. For example: char symbol; FILE *in = fopen("./task.in", "r"); for ( ; fscanf(in, "%c", &symbol) != EOF; ) { printf("%c", symbol); }
int number; fscanf(myFile, "%d", &number); add_to_your_array(number); } This, although looks nice, has a problem. If you are indeed reaching the end of file, you will have read a garbage number and added to your data before testing the end of file.
If an end-of-file condition is detected before any matches are performed, including matches against whitespace and literal characters in the template, then WEOF is returned. Function: int fscanf (FILE * stream , const char * template , …) ¶
4 lip 2022 · 1) reads the data from stdin. 2) reads the data from file stream stream. 3) reads the data from null-terminated character string buffer. Reaching the end of the string is equivalent to reaching the end-of-file condition for fscanf.
This function returns the number of arguments that were assigned values or EOF, a constant defined in stdio.h, if the end of the file has been reached.
A = fscanf(fileID,formatSpec) reads data from an open text file into column vector A and interprets values in the file according to the format specified by formatSpec. The fscanf function reapplies the format throughout the entire file and positions the file pointer at the end-of-file marker.
15 wrz 2023 · The feof() function is used to check whether the file pointer to a stream is pointing to the end of the file or not. It returns a non-zero value if the end is reached, otherwise, it returns 0. Syntax of feof()
