/* Series Generator
	generates a string with a numeric series in the middle,
	like foo01.gif foo02.gif .... foo99.gif
	programs output may be redirected as its input
	allowing the creation of very complex series
	like /year1981/foo01.gif .... /year2002/foo90.gif
	useful in creating download lists
	Alaa The Great

/1/2002


/


include 
include 
include 
include 
include 
using namespace std;
void generate(int start, int end, int pad, char *postfix, string prefix ) ;
/* program should have at least 4 arguments
  1-first and 2-last values of the series
  3-number of digits (needed to pad leading zeros)
  4-string after the series
  any arguments that follows will be assumed to be 
  a string to generate a series for (string at the begining of the series)
  if only 4 arguments are given the program asks for input of string
  to put in the begining of the series (terminates when EOF is enetered) */
int main( int argc, char *argv[])	{
	int start, end, pad;
	char *postfix;
	char a;
	string prefix;
	prefix="";
	if (argc<5) {
		cout<<endl<<"need more arguments"<<endl;
		return 1;
	}
	start=atoi(argv[1]);
	end=atoi(argv[2]);
	pad=atoi(argv[3]);
	postfix=argv[4];
	if (argc==5)	{
		do {
			a=cin.get();
			if (a=='\n'||a==EOF&&prefix!="") {
				generate(start,end,pad,postfix,prefix);
				prefix="";
			}
			if (a!='\n'&&a!=EOF) prefix=prefix+a;
		} while (a!=EOF);
	}
	else {
		for (int i=5; i<argc; i++) 
			generate(start, end, pad, postfix, argvi);
	}
	return 0;
}
void generate(int start, int end, int pad, char *postfix, string prefix) {  
		for (int count=start; count<=end; count++)	{
			cout<<prefix;
			if (count!=0) for(int k=pad; pow(10.0,(k-1))>count; k--) cout<<0;
			else for (int k=pad; k>1; k--) cout<<0;
			cout<<count<<postfix<<endl;
		}
}
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