Answer to Question #246307 in C for gryffin

Question

Write a C program the `cp’ program that takes arguments as source and destination

filenames and copies the source to the destination. You need to use the functions fread

and fwrite. Note that the file may or may not be in text format.

Answer 1

#include<stdio.h>
#include<string.h>




int main() {
	char letter;
	char sourceFileName[100];
	char destinationFileName[100];


	FILE *fpSourceFile, *fpDestinationFile;


	printf("Enter source file name: ");
	scanf("%s",&sourceFileName);
	if((fpSourceFile = fopen(sourceFileName, "rb"))!=NULL){
		printf("Enter destination file name: ");
		scanf("%s",&destinationFileName);
		fpDestinationFile = fopen(destinationFileName, "wb");


		while(fread(&letter, 1, 1, fpSourceFile) == 1){
			fwrite(&letter, 1, 1, fpDestinationFile);
		}
		printf("\nThe file has been copied.\n");
		// Close The Files
		fclose(fpSourceFile);
		fclose(fpDestinationFile);
	}else{
		printf("\nThe file does not exist.\n");
	}




	getchar();
	getchar();
	return 0;
}