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Full Discussion: Closest Number from a Range of Numbers
Top Forums Shell Programming and Scripting Closest Number from a Range of Numbers Post 302547750 by SkySmart on Tuesday 16th of August 2011 01:25:24 PM
Old 08-16-2011
Quote:
Originally Posted by Corona688
Code:
 awk -v VAL=5 -v RS="," '{
        D=(VAL - $1) * (VAL - $1);
        if((!SET) || (D < DIFF))
        {
                DIFF=D;
                X=$1;
                SET=1;
        }
}

END {   printf("Closest was %s\n", X);  }' < data



thanks everyone. this code here does it. but i have a question, the code provides the closest number that PRECEDED the user provided number of 39.

Can it also provide the closest number that comes AFTER 39? that would be awesome if this can be done. Smilie

thanks a million to everyone who has responded.
 

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LEARN ABOUT DEBIAN

gts2oogl

gts2oogl(1)						  GNU Triangulated Surface utils					       gts2oogl(1)

NAME

       gts2oogl - converts a GTS file to OOGL file format (Geomview).

SYNOPSIS

       gts2oogl [OPTIONS] < input.srf > output.oogl

DESCRIPTION

       This manual page documents briefly the gts2oogl command.

OPTIONS

       This  program follow the usual GNU command line syntax, with long options starting with two dashes (`-').  A summary of options is included
       below.

       -G, --gnuplot
	      Writes isolines in gnuplot format.

       --component
	      Color faces according to the component they belong too.

       --quality
	      Color faces according to their quality.

       --area Color faces according to their area.

       --incomp
	      Color incompatible faces.

       -f VAL, --fold=VAL
	      Color faces which make an angle smaller than VAL degrees with any of their neighbors.

       -t, --faces
	      Output individual faces.

       --epv  Color vertices according to number of edges per vertex.

       -H C, --height=C
	      Color vertices according to their C coordinate.

       -g, --gaussian
	      Color vertices according to Gaussian curvature.

       -C, --curvature
	      Color vertices according to mean curvature.

       --boundary
	      Output boundary edges.

       -e A, --feature=A
	      Output `feature' edges defined by angle A.

       --non-manifold
	      Output non-manifold edges.

       --duplicate
	      Output duplicate edges.

       -i N, --isolines=N
	      Draw N isolines (levels of constant altitude).

       -I L, --isolines=L
	      Draw isoline at level L.

       --cmap=FILE
	      Load FILE as colormap.

       -m VAL, --min=VAL
	      Use VAL as minimum scaling value.

       -M VAL, --max=VAL
	      Use VAL as maximum scaling value.

       -r, --reverse
	      Reverse colormap.

       -n, --nosurface
	      Do not output surface.

       -F C, --flatten=C
	      Set C coordinate to average value.

       -v, --verbose
	      Display surface statistics.

       -h, --help
	      Display the help and exit.

AUTHOR

       gts2oogl was written by Stephane Pipinet <popinet@users.sourceforge.net>.

       This manual page was written by Ruben Molina <rmolina@udea.edu.co>, for the Debian project (but may be used by others).

								   June 2, 2008 						       gts2oogl(1)
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