iterate through list of numbers and print specific lines with awk Post: 302454092

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Top Forums Shell Programming and Scripting iterate through list of numbers and print specific lines with awk Post 302454092 by euval on Friday 17th of September 2010 07:17:25 AM

09-17-2010

Registered User

iterate through list of numbers and print specific lines with awk

Could someone please point me in the right direction with the following?

I have a program that generates logs that contains sections like this:

Code:

 IMAGE INPUT
     81   0  0.995  2449470    0   1726     368     1  0.0635  0.3291
     82   0  1.001  2448013    0   1666     365     1  0.0649  0.3235
     83   0  1.009  2444822    0   1697     371     1  0.0661  0.2888
     84   0  1.004  2447224    0   1733     362     1  0.0664  0.3346
     85   0  1.011  2446792    0   1704     357     1  0.0665  0.3024
     86   0  1.016  2450130    0   1675     362     1  0.0660  0.3208
     87   0  1.018  2448809    0   1719     349     2  0.0669  0.2914
     88   0  1.017  2448947    0   1710     357     2  0.0677  0.3044
     89   0  1.028  2447439    0   1721     368     2  0.0643  0.3164

  ACCEPTED

What I would like to do is produce an awk (or sed) one-liner that would
search between regular expression /IMAGE/ and /ACCEPTED and produce the following output:

Code:

 processing images 81 - 89

Where 81 and 89 are first fields of the first and last number-containing lines respectively. These numbers can be any range between "IMAGE" and "ACCEPTED", but are always consecutive and increment by 1.

Parsing first and last lines that only contain numbers in awk without multiple pipes has got me stuck.

Thanks!

euval

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LEARN ABOUT DEBIAN

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)

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