Help needed: script for timely average from log file

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LEARN ABOUT PHP

time_sleep_until

TIME_SLEEP_UNTIL(3)							 1						       TIME_SLEEP_UNTIL(3)

time_sleep_until - Make the script sleep until the specified time

SYNOPSIS

       bool time_sleep_until (float  $timestamp)

DESCRIPTION

	Makes the script sleep until the specified $timestamp.

PARAMETERS

	      o $timestamp
		- The timestamp when the script should wake.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.3.0	|						    |
       |	|						    |
       |	|  This  function is now available on Windows plat- |
       |	| forms.					    |
       |	|						    |
       +--------+---------------------------------------------------+
ERRORS
/EXCEPTIONS
	If the specified $timestamp is in the past, this function will generate a E_WARNING.

EXAMPLES

       Example #1

	      A time_sleep_until(3) example

	      <?php

	      //returns false and generates a warning
	      var_dump(time_sleep_until(time()-1));

	      // may only work on faster computers, will sleep up to 0.2 seconds
	      var_dump(time_sleep_until(microtime(true)+0.2));

	      ?>

NOTES

       Note

	       All signals will be delivered after the script wakes up.

SEE ALSO

       sleep(3), usleep(3), time_nanosleep(3), set_time_limit(3).

PHP Documentation Group 												       TIME_SLEEP_UNTIL(3)

Shell Programming and Scripting