>1. The exit status of zero is referred to my C++ program? As the following:
> int main(){ ... return 0}
Yes. Or, more precisely,
int main() { ... exit(0); }
>2. Should I declare the 4 lines of output in my script? If so, how?
Yes. For example:
double vara, varb;
/* set vara and varb to the two values for your script to output */
printf( "%f\n%f\n\nMy script description\n",vara, varb );
exit(0);
The third line would contain a human-readble uptime string, and the fourth a
device description; if you use RRDtool mode, though, they are not used.
However they must exist, even if blank.
Steve
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