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Full Discussion: text filtering
Top Forums Shell Programming and Scripting text filtering Post 302664735 by thibodc on Saturday 30th of June 2012 11:00:28 AM
Old 06-30-2012
text filtering
INPUT FILE:
Code:
Date: 10-JUN-12 12:00:00
B 0: 00 00 00 00 10 00 16 28
B 120: 00 00 00 39 53 32 86 29
 
Date: 10-JUN-12 12:00:10
B 0: 00 00 00 00 10 01 11 22
B 120: 00 00 00 29 23 32 16 29
Date: 10-JUN-12 12:00:20
B 0: 00 00 00 00 10 02 17 29
B 120: 00 00 35 51 42 66 14
Date: 10-JUN-12 12:00:30
B 0: 00 00 00 00 10 03 61 42
B 120: 00 00 00 44 33 52 21 52
Date: 10-JUN-12 12:00:40
B 0: 00 00 00 00 10 04 11 22
B 120: 00 00 12 87 10 01 13 42
Date: 10-JUN-12 12:00:50
B 0: 00 00 00 00 10 05 15 24
B 120: 00 00 12 87 10 01 13 42
Date: 10-JUN-12 12:01:00
B 0: 00 00 00 00 10 06 11 22
B 120: 00 00 12 87 10 01 13 42

Then repeats (the field after 10 on the the B 0: line increments from 00 to 06) with new times and new data (except 10 will always be in the same field on the B 0: line).


What I would like the output to be (sometimes data is missing so checks will have to be done)
I would like to find the B 0: line that contains 10 00 and then print the line above it if it contains Date: then if that checks out print the B 0: line that contains 10 00. Right after these 2 lines are printed I would like to find the B 0: line that contains 10 04 then print the line above it if contains Date:, then print the B 0: line that contains 10 04 that was just found, then print the line right below the B 0: line that contains 10 04 if it contains B 120:. Right after these 2 lines are printed I would like to find the B 0: line that contains 10 06 then print the line above it if contains Date:, then print the B 0: line that contains 10 06 that was just found, then print the line right below the B 0: line that contains 10 06 if it contains B 120:. I would like this done for the entire file (going to the next set of data). Sorry this is fairly confusing.

Below is the output I would like.
Code:
Date: 10-JUN-12 12:00:00
B 0: 00 00 00 00 10 00 16 28
Date: 10-JUN-12 12:00:40
B 0: 00 00 00 00 10 04 11 22
B 120: 00 00 12 87 10 01 13 42
Date: 10-JUN-12 12:01:00
B 0: 00 00 00 00 10 06 11 22
B 120: 00 00 12 87 10 01 13 42

If the input file was larger the next set of data might look like this:
Code:
Date: 10-JUN-12 12:01:10
B 0: 00 00 00 00 10 00 46 78
Date: 10-JUN-12 12:00:50
B 0: 00 00 00 00 10 04 61 82
B 120: 00 00 14 77 10 01 19 02
Date: 10-JUN-12 12:02:10
B 0: 00 00 00 00 10 06 77 55
B 120: 00 00 82 87 70 01 13 42

FYI: I am using solaris 10 and don't have any GNU products installed. I've tried using egrep without success.....I'm thinking awk would be better...but I'm not sure. If you know how to solve this problem...your help would be appreciated.
Last edited by Scrutinizer; 06-30-2012 at 07:45 PM.. Reason: code tags and cleaned spurious formatting
 

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LEARN ABOUT CENTOS

dm_date

DM_DATE(1)						User Contributed Perl Documentation						DM_DATE(1)

NAME

       dm_date - print out the system date and time

SYNOPSIS

       This performs the same operation as the unix 'date' command, but using the Date::Manip module.

	  dm_date [OPTION]... [+FORMAT]

DESCRIPTION

       This displays information about the current system time, or some other time. Options are:

       -h, --help
	   Print online help.

       -d STRING, --date=STRING
	   Display time described by STRING. STRING can be any string which can be parsed by Date::Manip.  Please refer to the Date::Manip::Date
	   documentation for details.

       -f DATEFILE, --file=DATEFILE
	   This reads each line in DATEFILE, and extracts a date from it and prints out the information.

	   Blank lines and lines starting with a pound (#) are ignored. Lines not containing a valid date are also ignored.

       -r FILE, --reference=FILE
	   Displays the last modification time of FILE.

       -R, --rfc-2822
	   Displayc the date and time in RFC 2822 format.

	   Example: Mon, 07 Aug 2006 12:34:56 -0600

       -u, --utc, --universal
	   Converts the date to UT (GMT) and prints out the information.

       Only one of -d, -f, or -r should be included. If more than one is included, the first one from the list (-d, -f, -r) is used and any other
       is ignored.

       The format string starts with a plus (+) and contains any of the format directives described in Date::Manip::Date.

KNOWN BUGS

       None known.

BUGS AND QUESTIONS

       Please refer to the Date::Manip::Problems documentation for information on submitting bug reports or questions to the author.

SEE ALSO

       Date::Manip::Date

LICENSE

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

AUTHOR

       Sullivan Beck (sbeck@cpan.org)

perl v5.16.3							    2014-06-09								DM_DATE(1)
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