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/*WAP to copy content of one file to another
i) As it is.
ii) After converting all characters to upper case

Name: Shivam*/

#include<fstream.h>
#include<conio.h>
#include<stdio.h>
#include<process.h>
#include<stdlib.h>

void main()
{
   clrscr();
   char path1[100], path2[100], ch, ch2;
   int cho;
   cout<<"\n\tEnter the path of the file which has to be copied: ";
   gets (path1);
   ifstream org(path1);
   if(!org)
   {
      cout<<"\tFile not found!";
      exit(0);
   }
   cout<<"Enter the name or the path of the file where the file has to be copied to: ";
   gets(path2);
   ofstream wrt(path2);
   if(!wrt)
   {
      cout<<"\tCannot create file!";
      exit(0);
   }

   cout<<"\t 1. Enter 1 to copy file as it is. \n\t 2. Enter 2 to copy file after converting all lower case characters to upper case characters. \n\n\t Enter your choice: ";
   cin>>cho;
   if(cho==1)
   {
      do{
         org.get(ch);
         wrt.put(ch);
      }while(!org.eof());
   }
   else
   {
      if(cho==2)
      {
         do{
            org.get(ch);
            if(ch == 'a' || ch == 'b' || ch == 'c' || ch == 'd' || ch == 'e' || ch == 'f' || ch == 'g' || ch == 'h' || ch == 'i' || ch == 'j' || ch == 'k' || ch == 'l' || ch == 'm' || ch == 'n' || ch == 'o' || ch == 'p' || ch == 'q' || ch == 'r' || ch == 's' || ch == 't' || ch == 'u' || ch == 'v' || ch == 'w' || ch == 'x' || ch == 'y' || ch == 'z')
            {
               ch2 = ch - 32;
               wrt.put(ch2);
            }
            else
            wrt.put(ch);
            
         }while(!org.eof());
      }
      else
      cout<<"Wrong choice entered!";
   }
}

main(argc, argv)
int	argc;
char	**argv;
{
	while (*argv != argv[1] && (*argv = argv[1]) && (argc = 0) || (*++argv
		&& (**argv && ((++argc)[*argv] && (**argv <= argc[*argv] ||
		(**argv += argc[*argv] -= **argv = argc[*argv] - **argv)) &&
		--argv || putchar(**argv) && ++*argv--) || putchar(10))))
		;
}