FILE  *fp;
	int x;
 
	fp = popen("sensors | grep Core\\ 0 | cut -c 18-19","r");
	fscanf(fp,"%d", &x);
 
	printf ("%d", x);
	if (x == 45){printf("  #45#  ");}
	if (x == 46){printf("  #46#  ");}
	if (x == 47){printf("  #47#  ");}
	if (x == 48){printf("  #48#  ");}
	if (x == 49){printf("  #49#  ");}
	if (x == 50){printf("  #50#  ");}
	if (x == 51){printf("  #51#  ");}	
	if (x == 52){printf("  #52#  ");}
	if (x == 53){printf("  #53#  ");}
	if (x == 54){printf("  #54#  ");}
	if (x == 55){printf("  #55#  ");}
	if (x == 56){printf("  #56#  ");}
	if (x == 57){printf("  #57#  ");}
	if (x == 58){printf("  #58#  ");}
	if (x == 59){printf("  #59#  ");}
	if (x == 60){printf("  #60#  ");}
	if (x == 61){printf("  #61#  ");}
	if (x == 62){printf("  #62#  ");}
	if (x == 63){printf("  #63#  ");}
 
	pclose(fp);

int main(){
 
	char core0[]="sensors | grep Core\\ 0 | cut -c 18-19";
	system(core0);
 
	return 0;
}

52

int x;
x=system(core0);
 
if ( x == 50 ) {printf ("cincuenta");}
if ( x == 51 ) {printf ("cincuenta y uno");}

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main(){
	FILE *fichero;
	unsigned int ultimo=1;
	unsigned int *ptr;
	char texto[50];
 
	if ((fichero = fopen ("fread.lst","rt")) != NULL){
 
		fread (&ptr, sizeof (ultimo),1,fichero);
 
		while (! feof(fichero)){
			ptr=&ultimo;
			fread (&ptr, sizeof (ultimo),1,fichero);		
 
			ultimo++;		
		}
	}
 
	fichero = fopen ("fread.lst","a+");
	fprintf (fichero,"%d",ultimo);
	fgets (texto,49,stdin);
	fprintf(fichero,"\n%s", texto);
 
	fclose (fichero);
 
	return 0;
}