09-07-2011
sorting the datafile in an order given in second datafile
Hi,
I have two files:
first input file is having 7-8 columns,
Quote:
1 a rew sdf ghd 234 gfd 345
3 f hjk kln ghj 879 nkj 989
7 c dns esd lkn 765 nkc 093
4 d bhj asd klj 231 kljn 211
and second data file is like
I want to arrange my datafile1 in the order given in second data file, by comparing the seconddatafile with the second column of first file and print the entire line....also if any string (b in this case) is absent..it must print absent in first lane
The output must be like:
Quote:
1 a rew sdf ghd 234 gfd 345
ABSENT
7 c dns esd lkn 765 nkc 093
4 d bhj asd klj 231 kljn 211
ABSENT
3 f hjk kln ghj 879 nkj 989
Thanks in advance.....
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LEARN ABOUT OPENSOLARIS
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)