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Top Forums UNIX for Dummies Questions & Answers count values based on contents of another file Post 302524569 by agama on Monday 23rd of May 2011 11:32:24 PM
Old 05-24-2011
I'd do it all in a single awk. I'm sure there are other ways that require less keystrokes, but this is readable. Assuming your input files are named t1 and t2:

Code:
awk '
    BEGIN {
        n = 0;
        while( (getline< "t1") > 0 )       # save values from file 1
            val[n++] = $1;

        close( "t1" );
    }

    {                                   # test each pair against each file 1 value
        for( i = 0; i < n; i++ )
            if( $1 <= val[i]  && $2 >= val[i] )
                count++;                # count if file 1 value lies between
    }

    END {
        printf( " %d\n", count );       # print final count to stdout
    }
'<t2


Last edited by agama; 05-24-2011 at 12:34 AM.. Reason: clarification
 

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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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