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Full Discussion: Shell script to find the run time based on log entries?
Top Forums Shell Programming and Scripting Shell script to find the run time based on log entries? Post 302467863 by birei on Sunday 31st of October 2010 07:25:56 PM
Old 10-31-2010
Hi,

Try this 'awk' solution:
Code:
$ cat script.awk
BEGIN {
  FS = "[ ,]"; 
} 

NR==1 { 
  datef = $1; 
  timef = $2; 
} 

END { 
  datet = $1; 
  timet = $2;

  split(datef, arrDatef, "-"); 
  split(datet, arrDatet, "-"); 
  split(timef, arrTimef, ":"); 
  split(timet, arrTimet, ":");
  utcDateTimeF = mktime(arrDatef[1] " " arrDatef[2] " " arrDatef[3] " " arrTimef[1] " " arrTimef[2] " " arrTimef[3]);
  utcDateTimeT = mktime(arrDatet[1] " " arrDatet[2] " " arrDatet[3] " " arrTimet[1] " " arrTimet[2] " " arrTimet[3]);
  printf "%s\n", strftime("%H:%M:%S", utcDateTimeT - utcDateTimeF, 1);
}

Code:
$ cat infile
2010-10-30 16:50:38,022 JobRunner.configure Complete
2010-10-30 16:50:38,022 JobRunner.runJob Start
2010-10-30 16:50:38,028 JSRCleaner.cleanJSRs Start
2010-10-30 16:50:38,028 JSRCleaner.cleanJSRs Removing JSRs older than 7 days
2010-10-30 16:50:38,191 JSRCleaner.cleanJSRs Complete
2010-10-30 16:50:38,405 JobRunner.invokeJob Start
2010-10-30 16:50:38,448 AbstractJobInvoker.invokeBatchJob Start
2010-10-30 16:50:38,519 AbstractJobInvoker.invokeBatchJob Complete
2010-10-30 16:50:38,519 JobRunner.invokeJob Complete
2010-10-30 16:50:38,519 JobRunner.monitorJob Start
2010-10-30 17:42:46,494 JobRunner.monitorJob Complete
2010-10-30 17:42:46,536 JobRunner.runJob Complete
2010-10-30 17:42:46,536 JobRunner.processMain Complete : Return Code 0

Code:
$ awk -f script.awk infile
00:52:08

Regards,
Birei
 

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LEARN ABOUT DEBIAN

posix::strptime

POSIX::strptime(3pm)					User Contributed Perl Documentation				      POSIX::strptime(3pm)

NAME

       POSIX::strptime - Perl extension to the POSIX date parsing strptime(3) function

SYNOPSIS

	($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = POSIX::strptime("string", "Format");

DESCRIPTION

       Perl interface to strptime(3)

FUNCTIONS

       strptime
	    ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = POSIX::strptime(string, format);

	   The result for any value not extracted is not defined. Some platforms may reliably return "undef", but this is dependent on the
	   strptime(3) function in the underlying C library.

	   For example, only the following fields may be relied upon:

	    my ($min, $hour) = ( POSIX::strptime( "01:23", '%H:%M' ) )[1,2];

	    my ($mday, $mon, $year) = ( POSIX::strptime( "2010/07/16", '%Y/%m/%d' ) )[3,4,5];

	   Furthermore, not all platforms will set the $wday and $yday elements. If these values are required, use "mktime" and "gmtime":

	    use POSIX qw( mktime );
	    use POSIX::strptime qw( strptime );

	    my ($mday, $mon, $year) = ( POSIX::strptime( "2010/07/16", '%Y/%m/%d' ) )[3,4,5];
	    my $wday = ( gmtime mktime 0, 0, 0, $mday, $mon, $year )[6];

SEE ALSO

       strptime(3)

AUTHOR

       Philippe M. Chiasson <gozer@cpan.org> Kim Scheibel <kim@scheibel.co.uk>

REPOSITORY

       http://svn.ectoplasm.org/projects/perl/POSIX-strptime/trunk/

COPYRIGHT

       Copyright 2005 by Philippe M. Chiasson <gozer@cpan.org>.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       See http://www.perl.com/perl/misc/Artistic.html

perl v5.14.2							    2010-07-16						      POSIX::strptime(3pm)
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