Full Discussion: printf in awk
Top Forums Shell Programming and Scripting printf in awk Post 302303317 by clx on Thursday 2nd of April 2009 10:53:44 AM
Quote:
tr ',' ';' <filename | awk -F\; '{print $1","$2","$3","$4","$5","$6","$7","$8","$9}'|awk -F, '{$4*=100;$6*=100;$4=$4+$5;$6=$6+$7;print $1","$2","$3","$4","$6}'
This is what i tried..

Is that a right way of achieving this...

Thanks in advance.
 
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ppmtopgm(1)                                                   General Commands Manual                                                  ppmtopgm(1)

NAME
ppmtopgm - convert a portable pixmap into a portable graymap SYNOPSIS
ppmtopgm [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces a portable graymap as output. The output is a "black and white" rendering of the original image, as in a black and white photograph. The quantization formula used is .299 r + .587 g + .114 b. Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any ppm program can read pgm (and pbm ) files automatically. pgmtoppm is for colorizing a pgm file. Also, see ppmtorgb3 for a different way of converting color to gray. And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate the original colors, not necessarily a way that looks like a black and white photograph. QUOTE
Cold-hearted orb that rules the night Removes the colors from our sight Red is gray, and yellow white But we decide which is right And which is a quantization error. SEE ALSO
pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5) AUTHOR
Copyright (C) 1989 by Jef Poskanzer. 10 April 2000 ppmtopgm(1)

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