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Full Discussion: Parse apache log file with three different time formats
Top Forums UNIX for Beginners Questions & Answers Parse apache log file with three different time formats Post 303038270 by sahil_shine on Thursday 29th of August 2019 09:18:52 AM
Old 08-29-2019
Parse apache log file with three different time formats
Hi,

I want to parse below file and Write a function to extract the logs between two given timestamp.

Apache (Unix) Log Samples - MonitorWare

The challenge here is there are three date and time format.

First :- 07/Mar/2004:16:05:49
Second :- Sun Mar 7 16:02:00 2004
Third :- 29-Mar 15:18:20.54

I have sed command which can help to get this but we should force user to mention format . I want this to be general . How can i achieve this. I will like to parse log file and create a new file to keep time format same and then using sed or grep it's pretty simple.

Code:
sed -n '/07\/Mar\/2004:16:05:49/,/07\/Mar\/2004:16:31:48/p' log

sed -n '/Sun Mar 7 16:02:00 2004/,/Mon Mar 8 00:11:22 2004/p' log
sed -n '/29-Mar 15:18:20.50/,/29-Mar 15:18:20.54/p' log

Please let me know a good way to achieve this. Any pointers will also help
 

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LEARN ABOUT OPENSOLARIS

tiffsplit

tiffsplit(1)							   User Commands						      tiffsplit(1)

NAME

       tiffsplit - split a multi-image TIFF into single-image TIFF files

SYNOPSIS

       tiffsplit src.tif [prefix]

DESCRIPTION

       tiffsplit splits a multi-directory (page) TIFF file to create one or more single-directory (page) TIFF files. The output filenames are cre-
       ated by concatenating a prefix, a lexically ordered suffix in the range [aa-zz], and the suffix .tif. For example, xaa.tif,  xab.tif,  ...,
       xzz.tif. If a prefix is not specified on the command line, the default prefix x is used.

OPTIONS

       None

OPERANDS

       The following operands are supported:

       src.tif	       The name of the input file.

       prefix	       The prefix used to create the output filenames.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWTiff			   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Uncommitted		   |
       +-----------------------------+-----------------------------+

SEE ALSO

	tiffinfo(1), tiffcp(1), libtiff(3)

NOTES

       Only a select set of "known tags" is copied when splitting.

       Updated by Breda McColgan, Sun Microsystems Inc., 2004.

SunOS 5.11							    26 Mar 2004 						      tiffsplit(1)
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