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Full Discussion: Print date at END clause of AWK
Special Forums UNIX and Linux Applications Print date at END clause of AWK Post 302369035 by radoulov on Friday 6th of November 2009 09:47:56 AM
Old 11-06-2009
Quote:
Originally Posted by fmeriles
... but you are storing the date at the beging of the script execution. I need the date/time when the script ends.
[...]
You can use something like this:

Code:
awk <<< 1  'BEGIN {
  printf "start: "; system("date")
  }
system("sleep 3")
END {
  printf "end: "; system("date") 
  }'


Code:
zsh-4.3.10[sysadmin]% awk <<< 1  'BEGIN {
  printf "start: "; system("date")
  }
system("sleep 3")
END {
  printf "end: "; system("date")
  }'  
start: Fri Nov  6 15:38:53     2009
end: Fri Nov  6 15:38:56     2009



---------- Post updated at 03:47 PM ---------- Previous update was at 03:31 PM ----------

Actually, you just need to close the external command:

Code:
awk <<< 1  'BEGIN {
  "date" | getline dt
  close("date")
  print "start:", dt
  }
system("sleep 3")
END {
  "date" | getline dt
  close("date")
  print "end:", dt 
  }'


Like this:

Code:
zsh-4.3.10[sysadmin]% awk <<< 1  'BEGIN {
  "date" | getline dt
  close("date")
  print "start:", dt
  }
system("sleep 3")
END {
  "date" | getline dt
  close("date")
  print "end:", dt
  }' 
start: Fri Nov  6 15:47:23     2009
end: Fri Nov  6 15:47:27     2009

Last edited by radoulov; 11-06-2009 at 10:39 AM..
 

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LEARN ABOUT PHP

date_default_timezone_set

DATE_DEFAULT_TIMEZONE_SET(3)						 1					      DATE_DEFAULT_TIMEZONE_SET(3)

date_default_timezone_set - Sets the default timezone used by all date/time functions in a script

SYNOPSIS

       bool date_default_timezone_set (string  $timezone_identifier)

DESCRIPTION

       date_default_timezone_set(3) sets the default timezone used by all date/time functions.

       Note

	       Since  PHP  5.1.0 (when the date/time functions were rewritten), every call to a date/time function will generate a E_NOTICE if the
	      timezone isn't valid, and/or a E_WARNING message if using the system settings or the $TZ environment variable.

	Instead of using this function to set the default timezone in your script, you can also use the  INI  setting  date.timezone  to  set  the
       default timezone.

PARAMETERS

	      o $timezone_identifier
		-  The	timezone identifier, like UTC or Europe/Lisbon. The list of valid identifiers is available in the "List of Supported Time-
		zones".

RETURN VALUES

	This function returns FALSE if the $timezone_identifier isn't valid, or TRUE otherwise.

EXAMPLES

       Example #1

	      Getting the default timezone

	      <?php
	      date_default_timezone_set('America/Los_Angeles');

	      $script_tz = date_default_timezone_get();

	      if (strcmp($script_tz, ini_get('date.timezone'))){
		  echo 'Script timezone differs from ini-set timezone.';
	      } else {
		  echo 'Script timezone and ini-set timezone match.';
	      }
	      ?>

CHANGELOG

       +--------+---------------------------------------------------+
       |Version |						    |
       |	|						    |
       |	|		     Description		    |
       |	|						    |
       +--------+---------------------------------------------------+
       | 5.3.0	|						    |
       |	|						    |
       |	|     Now throws E_WARNING rather than E_STRICT.    |
       |	|						    |
       | 5.1.2	|						    |
       |	|						    |
       |	|  The function  started  to  validate	the  $time- |
       |	| zone_identifier parameter.			    |
       |	|						    |
       +--------+---------------------------------------------------+
SEE ALSO

       date_default_timezone_get(3), "List of Supported Timezones".

PHP Documentation Group 											      DATE_DEFAULT_TIMEZONE_SET(3)
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