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Full Discussion: Awk limitation
Top Forums Shell Programming and Scripting Awk limitation Post 302137091 by kamitsin on Saturday 22nd of September 2007 03:54:40 AM
Old 09-22-2007
Quote:
I notice that the input file has spaces in between the strings of zeros and F's. The string should be continuous. Can you try again ?

I am stil experiencing the same error.
even if you trim the spaces between zero's and F's the following code posted by ghostdog works perfectly .

Code:
/home/kamitsin>cat in
#!/bin/sh

awk '{if( $NF == "2007" && $1 == "**" ) LINE = $0;}
END{printf("%20s\n",LINE); }' "input"

Output:
Quote:
/home/kamitsin>sh in
** eee eee ee ee ee eee 2007
kamitsin
 

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LEARN ABOUT ULTRIX

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)
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