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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#define OUTPUT_BUF_LENGTH 1024
#define PRINTOUT_INTERVAL 0.5
int
read_stat (unsigned int *current, unsigned int *length)
{
char temp[OUTPUT_BUF_LENGTH];
int bytes_read;
/* Grab new ouput from 'gogo' */
bytes_read = read (0, (void *) temp, sizeof (temp));
if (bytes_read) {
sscanf (temp, "%u / %u", current, length);
return (0);
}
return (-1);
}
int
main (int argc, char **argv)
{
unsigned int length = 1;
unsigned int current = 0;
while (1) {
if (read_stat (¤t, &length) == 0)
/* print message in form [P 0.xxxxx]\n */
printf ("[P %f]\n", (double) current / (double) length);
usleep (PRINTOUT_INTERVAL * 1000000);
}
}
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