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Full Discussion: awk multiline matching
Top Forums Shell Programming and Scripting awk multiline matching Post 302551230 by mgray on Monday 29th of August 2011 07:21:31 PM
Old 08-29-2011
awk multiline matching
I have a file that looks something like this with lots of text before and after.


Code:
Distance method: Sum of squared size difference (RST)
</data> <pairwiseDifferenceMatrix time="02/08/11 at 13:08:27">

                       1          2
            1  448.82151  507.94231
            2   56.51684  454.02943
</pairwiseDifferenceMatrix> <data>


I want to extract the diagonal values 448.82 and 454.03. I was trying to first get the lines the values were one and could only get values from the search line. Is the white space messing things up or am I not specifying the field separator correctly? Here is the script I am using.

Code:
awk ' BEGIN {FS="\n"} /<pairwiseDifferenceMatrix/{print $3, $4}' inputfile.txt >> outputfile.txt

Is the white space messing things up or am I not specifying the field separator correctly?

Any advice would be greatly appreciated.
Thank you
Last edited by radoulov; 08-30-2011 at 05:06 PM.. Reason: Code tags.
 

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LEARN ABOUT DEBIAN

today

mhc(1)							      General Commands Manual							    mhc(1)

NAME

       today - Show your today's schedules.

SYNOPSIS

       today [options]

DESCRIPTION

       This  manual  page  documents  briefly  the today commands.  This manual page was written for the Debian GNU/Linux distribution because the
       original program does not have a manual page.

       today is a program that show your schedules in MHC repository.

OPTIONS

       A summary of options is included below.

       -h, --help
	      Show summary of options.

       --format=FORMAT
	      change output format.  FORMAT is 'html' or 'ps.

       --category=CATEGORY
	      Pick only in CATEGORY. '!' and space separated multiple values are allowed.

       --date=strig[+n]
	      Set a period of date. String is one of these: today, tomorrow, sun ... sat, yyyymmdd, yyyymm.  yyyymm lists all days in  the  month.
	      list n+1 days of schedules if +n is given.  default value is 'today+0'

       --mail=ADDRESS
	      Send a e-mail to ADDRESS instead of listing to stdout

SEE ALSO

       adb2mhc(1), gemcal(1), mhc-scan(1), mhc2palm(1), palm2mhc(1), mhc(5).

AUTHOR

       This  program  was  written by Yoshinari Nomura <nom@quickhack.net> and this manual page was written by Fumitoshi UKAI <ukai@debian.or.jp>,
       for the Debian GNU/Linux system (but may be used by others).

								    23 Jun 2000 							    mhc(1)
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