Redirect the printf to file : File Write « File « C / ANSI-C






  1. C / ANSI-C
  2. File
  3. File Write

Redirect the printf to file


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

int main(void)
{
  FILE *fp;

  printf("This will display on the screen.\n");

  if((fp=freopen("OUT", "w" ,stdout))==NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }

  printf("This will be written to the file OUT.");

  fclose(fp);

  return 0;
}








Related examples in the same category

1.Write out file
2.Writing strings to a file
3.Writing names and phone numbers to a file
4.Save text content into a file
5.Writing a file a character at a time
6.Use fprintf to save
7.Read and write array into file
8.write non string content
9.Save string into file: fputs
10.Write some non-character data to a disk file and read it back
11. Write character to stream: how to use putc
12. Write character to stdout: how to use putchar
13. Write character to stream: how to use fputc
14. Write character to stdout: how to use fputchar
15. Write string to a stream: how to use fputs
16. Write a block of data to a stream: how to use fwrite
17.Save and write different type of value into file
18.Save and read string into a file
19.Write and read the entire array in one step