#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <fcntl.h>

int main(){



  char buffer[60];

  int fd = open("entrada.txt",O_RDONLY);
  int fd2 = open("diagrama.txt",O_WRONLY | O_TRUNC | O_CREAT| 0666);

  char buffi[1];

  int ret = read(fd, &buffi, 1);
  int num;

  while (ret > 0) {

    if (buffi[0] != ' '){
        num = atoi(buffi[0]);
        int i = 0;
        for (i; i < num; i++){
            sprintf(buffer,"*");
            write(1, buffer, strlen(buffer));
            write(fd2, buffer, strlen(buffer));
        }
        sprintf(buffer, "\n");
        write(1,buffer, strlen(buffer));
        write(fd2, buffer, strlen(buffer));
    }

 ret = read(fd, &buffi, 1);

  }
  close(fd);
}