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Full Discussion: How to get the new columns with conditions?
Top Forums Shell Programming and Scripting How to get the new columns with conditions? Post 303037570 by rdrtx1 on Tuesday 6th of August 2019 10:29:28 AM
Old 08-06-2019
Code:
awk '
{
   if (!col2[$2]++) cols[c++]=$2;
   if (!length(min[$2]) || $3 < min[$2]) min[$2]=$3;
   if (!length(max[$2]) || $3 > max[$2]) max[$2]=$3;
}
END {
   for (i=0; i<c; i++) {
      col6+=col2[cols[i]];
      print cols[i], min[cols[i]], max[cols[i]], col2[cols[i]], ++col5, col6;
      col5=col6;
   }
}
' file1

Last edited by rdrtx1; 08-06-2019 at 11:59 AM.. Reason: What's up with the extra digit in the first column shown in the posted output?
These 2 Users Gave Thanks to rdrtx1 For This Post:
jiam912 Neo
 

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LEARN ABOUT OPENSOLARIS

mlib_imageextrema2

mlib_ImageExtrema2(3MLIB)				    mediaLib Library Functions					 mlib_ImageExtrema2(3MLIB)

NAME

       mlib_ImageExtrema2, mlib_ImageExtrema2_Fp - image extrema

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_ImageExtrema2(mlib_s32 *min, mlib_s32 *max,
	    const mlib_image *img, mlib_s32 xStart, mlib_s32 yStart,
	    mlib_s32 xPeriod, mlib_s32 yPeriod);

       mlib_status mlib_ImageExtrema2_Fp(mlib_d64 *min, mlib_d64 *max,
	    const mlib_image *img, mlib_s32 xStart, mlib_s32 yStart,
	    mlib_s32 xPeriod, mlib_s32 yPeriod);

DESCRIPTION

       Each of the functions determines the extrema values for each channel in an image, possibly with subsampling.

       It uses the following equation:

	 min[i] = MIN{ img[x][y][i] }
	 max[i] = MAX{ img[x][y][i] }

       where

	 x = xStart + p*xPeriod;  0 <= p < (w - xStart)/xPeriod
	 y = yStart + q*yPeriod;  0 <= q < (h - yStart)/yPeriod

PARAMETERS

       Each of the functions takes the following arguments:

       min	  Pointer to minimum vector, where length is the number of channels in the image. min[i] contains the minimum of channel i.

       max	  Pointer to maximum vector, where length is the number of channels in the image. max[i] contains the maximum of channel i.

       img	  Pointer to a source image.

       xStart	  Initial X sample coordinate.

       yStart	  Initial Y sample coordinate.

       xPeriod	   X sample rate. xPeriod >= 1.

       yPeriod	   Y sample rate. yPeriod >= 1.

RETURN VALUES

       The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_ImageExtremaLocations(3MLIB),   mlib_ImageMaximum(3MLIB),	mlib_ImageMaximum_Fp(3MLIB),   mlib_ImageMinimum(3MLIB),   mlib_ImageMini-
       mum_Fp(3MLIB), attributes(5)

SunOS 5.11							    2 Mar 2007						 mlib_ImageExtrema2(3MLIB)
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