1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
void print_first_character() {
FILE* file = fopen("e.txt", "r");
char ch = fgetc(file); // Read one character
printf("%c\n", ch);
// CLOSE the file - You must close the file when you are done using it.
fclose(file);
}
int main(int argc, char* argv[]) {
FILE* file = fopen("e.txt", "r");
// USE THIS FORM - DO NOT USE ANYTHING THAT INVOLVES EOF
for(char ch = fgetc(file); !feof(file); ch = fgetc(file)) {
printf("%c", ch);
}
// CLOSE the file - You must close the file when you are done using it.
fclose(file);
return EXIT_SUCCESS;
}
// fopen(filename, mode)
// - mode can be "r" to read the file
// - mode can be "w" to write to the file (truncates if the file exists)
// - mode can be "a" to append to the end of the file
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */
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