Making a stopwatch function Post: 302529231

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Top Forums Shell Programming and Scripting Making a stopwatch function Post 302529231 by ifthanwhile on Wednesday 8th of June 2011 09:21:45 PM

06-08-2011

Registered User

Sorry, maybe I should clarify (I was at work, couldn't spend a lot of time on the forum). I want the program to print a period every 15 seconds that ping does not reach the host. Then every 60 seconds I want the second loop to print the contents of the divres which will say
"Minutes since start = ?.00
I have grep searching for ".00" because I want only the integer values when $cnt is divided by 60 anything but the minutes will show a decimal.
I go on in the rest of the program to apply the same principal from 900 - 1800 (value of $cnt) seconds and then -gt 1800 seconds.

Also I should have looked, this came from an earlier version the sleep time in the first loop should only be 2 seconds, because 3 failed pings actually take a rough average of 13 seconds.

I should have also included that the whole thing is contained in a while loop that looks for the output of 3 successful pings in pinglog.txt

I guess I need to practice my posting some too ey.

Thanks for your reply (and patience)

ifthanwhile

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LEARN ABOUT DEBIAN

sleep

SLEEP(3)						     Linux Programmer's Manual							  SLEEP(3)

NAME

       sleep - sleep for the specified number of seconds

SYNOPSIS

       #include <unistd.h>

       unsigned int sleep(unsigned int seconds);

DESCRIPTION

       sleep() makes the calling thread sleep until seconds seconds have elapsed or a signal arrives which is not ignored.

RETURN VALUE

       Zero if the requested time has elapsed, or the number of seconds left to sleep, if the call was interrupted by a signal handler.

CONFORMING TO

       POSIX.1-2001.

BUGS

       sleep() may be implemented using SIGALRM; mixing calls to alarm(2) and sleep() is a bad idea.

       Using longjmp(3) from a signal handler or modifying the handling of SIGALRM while sleeping will cause undefined results.

SEE ALSO

       alarm(2), nanosleep(2), signal(2), signal(7)

COLOPHON

       This  page is part of release 3.44 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU
								    2010-02-03								  SLEEP(3)