Question

How to read from a text file in C

Answer 1

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) 
{ 
    FILE *f;
    int ch;

    f = fopen("d:\\data.txt", "r");
    if (f == NULL)
    {
         puts("Can’t open: d:\\data.txt");
        exit(1);
    }
    while ((ch = fgetc(f)) != EOF)
            putchar(ch);
    
    fclose(f);
    
    return(0);
}



/*
run:

Programming is fun (from "d:\\data.txt")

*/

 

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Answer 2

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) 
{ 
    FILE *f;
    char buf[34];

    f = fopen("d:\\data.txt", "r");
    if (f == NULL)
    {
         puts("Can’t open: d:\\data.txt");
        exit(1);
    }
    while (fgets(buf, 32, f))
        printf("%s", buf);
    
    fclose(f);
    
    return(0);
}



/*
run:

Programming is fun (from "d:\\data.txt")

*/

 

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