Here is C Program to Copy File into Another File is given below which copy the data of first file into second file.First it open both file in read and write mode simultaneously.For performing this task it uses two file handling function fgetc() and fputc().
C Program to Copy File into Another File
#include<stdio.h>
#include<process.h>
void main() {
FILE *fp1, *fp2;
char a;
clrscr();
fp1 = fopen("test.txt", "r");
if (fp1 == NULL) {
puts("cannot open this file");
exit(1);
}
fp2 = fopen("test1.txt", "w");
if (fp2 == NULL) {
puts("Not able to open this file");
fclose(fp1);
exit(1);
}
do {
a = fgetc(fp1);
fputc(a, fp2);
} while (a != EOF);
fcloseall();
printf("\n Content will be written successfully to file");
getch();
}
Output
Content will be written successfully to file
