#include<stdio.h>
#include<unistd.h>
#include<fcntl.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<string.h>
int main() {
   char file_name[30] = "";
   char file_content[1000] = "";
   mkfifo("fifo1", 0600);
   mkfifo("fifo2", 0600);
   int fd = open("fifo1", O_RDONLY);
   int file1 = open("fifo2", O_WRONLY);
   read(fd, file_name, 30);
   int file2 = open(file_name, O_RDONLY);
   while(read(file2, file_content, 500) != 0) {
      printf("%s\n", file_content);
       if(fd < 0) {
         write(file1, "file does not exist! try again please!", 14);
           return 0;
       }
       else {
         write(file1, file_content, strlen(file_content));
       }
   }
   close(fd);
   close(file1);
   close(file1);
}