Happy Codings - Programming Code Examples

Html Css Web Design Sample Codes

CPlusPlus Programming Sample Codes

JavaScript Programming Sample Codes

C Programming Sample Codes

CSharp Programming Sample Codes

Java Programming Sample Codes

Php Programming Sample Codes

Visual Basic Programming Sample Codes

C++ Programming Code Examples

C++ > Algorithms Code Examples

Copying one or more than one file into one file

Copying one or more than one file into one file

#include <stdio.h>

void main(int argc,char *argv[]){
     int i=0,
	 is_copied=0;

     FILE *input,
	  *output;

     char ch;

     clrscr();


     if (argc>=3){

	     /* last file is the output file */
	     output=fopen(argv[argc-1],"w+");
	     if (output==NULL){
		 gotoxy(10,1);
		 printf("Can't open output file :%s",argv[argc-1]);
		 getch();
		 return;
	     }


	     /* input files */
	     for(i=1;i<argc-1;i++){
		 input=fopen(argv[i],"r");

		 if (input==NULL){
			gotoxy(10,i+2);
			printf("Can't open input file :%s",argv[i]);
		 }
		 else{
		      /* writing from input file to output file */

		       rewind(input);
		       while((ch=fgetc(input))!=EOF){
			      fprintf(output,"%c",ch);
			      is_copied=1;
		       }

		       gotoxy(10,i+2);

		       if (is_copied)
			       printf("%s successfully copied into %s",argv[i],argv[argc-1]);
		       else
			       printf("%s can't copy into %s",argv[i],argv[argc-1]);

		       is_copied=0;

		 }
                 fclose(input);
	    }

	    fclose(output);


      }
      else{
	  gotoxy(10,1);
	  printf("please specifiy at least two file one source and another target");
      }

      getch();
}

C Convert Octal to Hexadecimal Number - C program to input octal number from user and convert to hexadecimal number system. Octal Number System is a base 8 number system. It uses 8 symbols to represent all its

C Armstrong Numbers Between 2 Integers - Program Print Armstrong Numbers between two Integers. In case of an armstrong number of 3 digits, the Sum of Cubes of each digits is equal to the number itself. For example: 407

Find sum of Even Numbers in given Range - Input upper limit to find sum of even number. Store it in a variable say N. Initialize another variable to store sum with 0 say sum = 0. To find sum of even numbers we need to iterate

C Program sort directory entrys by filesize - Code compare function for qsort. Add ONE element to the array. Allocate memory for ONE 'struct node'. Copy the data into the new element ( structure ). Qsort array of...

C++ Increment and Decrement Operators - In this C++ example, you'll 'learn to overload' Increment ++ and Decrement -- operators in C++. "increment & decrements" operator are overloaded in best possible way, increase the

Program Compare two Strings by Pointers - C program to compare two strings using loop character by character. Logic to compare two strings. Input "2 strings" from user. Store it in some variable say str1 and str2. Compare two

C program code Self-Referential structure - Buffer for ungetch, next free position in buf, word frequency count, getword: get next word or character from input, addtree: add a node with w, at or below p, a new word has

C realloc() Allocates size bytes of Memory - If ptr is null, realloc() allocates size bytes of memory and returns a pointer. If size is zero, the memory pointed to by ptr is freed. There is an error give message: Allocation Error...