else if(ntohs(sireq.requestType) == DIGEST){
        printf("Request type = digest\n");
        FILE *fp;
        char path[BUFFLEN];
      	char command[70];
      	int len;
        struct digest_request dreq;
        struct init_response ires;
        ires.three_b_pad[0] = '\0';
        ires.three_b_pad[1] = '\0';
        ires.three_b_pad[2] = '\0';
        ires.returnCode = 0;
        rio_t rio;
        Rio_readinitb(&rio, connfd);
        read(connfd, &dreq, sizeof(dreq));

        printf("Detail = %s\n", dreq.val);
        printf("Completion: success\n");

        //get the command
        len = snprintf(command, sizeof(command), "/bin/echo %s | /usr/bin/sha256sum",dreq.val);
      	if (len <= sizeof(command))
      	{
          fp = popen(command, "r");
      	}

        // Open the command for reading.
        if (fp == NULL) {
          printf("Completion: failure\n");
        }

        // Read the output a line at a time to path
        fgets(path, sizeof(path)-1, fp);

        // close
        pclose(fp);

        path[SIXTYFIVE] = '\0';

        strcpy(ires.val, path);
        ires.valLength = SIXTYFIVE;

        write(connfd, &ires, sizeof(ires));
        //read(connfd, &dreq.val, ntohs(dreq.valLength));

      }