07-18-2012
Request to check
Hi
Thanks for reply. I am not getting result using followin commnad is there any error?
Quote:
bash-3.2$ awk -F. '{a[$2]=a[$2]" "$1}END{for(i in a)print i"."a[i]}'Sara's data >* sara1>
actually the inputdata is not as numbered 1,2
it's like this:input is actually a long list like this
Quote:
CAD AEZ
CAD exy
CAD fryu
RA AEZ
RA ghdsj
RA fryu
BD fryu
BD jsfhdkl
BD AEZ
CD fsdgsdfg
CD AEZ
T1D sfgtsdfg
T1D fryu
T2D 465
T2D fryu
HT AEZ
HT sdfgsdg
so I wan output shuld contain
Quote:
AEZ CAD,RA,HT,CD
fryu T1D,T2D,RA,BD,CAD
and so on......
common entries shuld be mentioned in front of those .and duplicates shuld be removed.
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LEARN ABOUT DEBIAN
ppmtopgm
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)