> On Oct 24, 2018, at 9:54 PM, Asad <asad.hasan2...@gmail.com> wrote:
>
> Thank all now I am able to progress :
>
> file1 i am able to extract the start and end timestamp
> file 2 i am able to extract the timestamp
>
> used the following
> my $t1 = Time::Piece->strptime('Feb 23 01:10:28 2018', '%b %d %H:%M:%S %Y');
> coming from file1
>
> my $t2 = Time::Piece->strptime('02/23/18 01:10:33', '%m/%d/%y %H:%M:%S');
> coming from file2
>
> my $t3 = Time::Piece->strptime('Feb 23 01:10:36 2018', '%b %d %H:%M:%S %Y');
> coming from file 1
>
> if ($t2 > $t1 and $t2 < $t3) { ... } till here it working fine
>
> now I would like to print all lines from file2 starting from t2 02/23/18
> 01:10:33 till very next timestamp which will be greater than t3 :
>
>
>
> for example the file2 would look like this:
>
> ===========================================================================================================
>
> LOG file opened at 02/23/18 01:10:33
>
> ERR-05007: Warning: Intra source concurrency disabled because the
> preprocessor option is being used.
>
> Field Definitions for table OPATCH_XML_INV
>
> eject rows with all null fields
>
> Fields in Data Source:
>
>
>
> ERR-04095:failed: Unable to create patchObject
>
> Possible causes are:
>
> "
>
> LOG file opened at 04/26/18 06:10:33
>
> ===========================================================================================================
>
>
> This logfile may have other time but i would to extract only the above lines
> because messages occured between t1 and t3 after I extract these i want to
> print the error lines for example ERR-05007
>
> the issue I am facing if there are multiple error in the file it is printing
> for each occurance of ERR-05007 instead it should print only the error lines
> between t1 and t3 from file2
>
> Please advice ,
>
> thanks,
For each line is the file, use a regular expression to look for lines starting
with ‘LOG file opened at’ and extract the time that follows in that line. Then,
use Time::Piece to create an object of that class using the date/time
extracted. Then, you can compare the time in that line to your start and stop
times in $t2 and $t3 (or is it $t1 and $t3?).
Jim Gibson
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