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Full Discussion: finding values in between
Top Forums Shell Programming and Scripting finding values in between Post 302323315 by Franklin52 on Saturday 6th of June 2009 01:02:16 PM
Old 06-06-2009
Or shorter:

Code:
awk '$1 > c{print c FS $1-1}{c=$2+1} ' c=1 file

-----Post Update-----

Quote:
Originally Posted by cfajohnson

Code:
awk 'BEGIN { last = n = 1 }
{
 if ( n < $1 ) printf "%d ", n
 else next
 while ( ++n < $1 ) ;
 print n - 1
 n = $2
 }' "$file"

This don't give the expected output:

Code:
1 9
20 39
50 89

Last edited by Franklin52; 06-06-2009 at 02:08 PM..
 

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LEARN ABOUT LINUX

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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