#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#define COUNT 20000000

int main()
{
	int x;
	char ak[2];
	char pb[] = "                   ";  //this is a long blank string
	
	system("clear");
	printf("Calculating some immensly important calculation.\n");
	//      |= = = = = = = = = =|  progress bar will look like this
	printf("|                   | 0% complete.");
	for (x=1;x<11;x++)
	{
		delay();
                pb[(x-1)*2]='=';
		printf("\r");    //return to beginning of line
		printf("|%s| %d%% complete.",pb,x*10);
	}
	printf("\n\nPress Enter to exit.");
	gets(ak);
	
	system("clear");
	
	return (0);
}

delay()   //this function is simply a delay.
{
	int tv;
	double zxc;
	for(tv=0;tv<COUNT;tv++)
		zxc=sqrt(tv+5);
}

printf("hello world\n"); fflush(stdout);