Delete repeated rows from a file Post: 302137247

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How to delete particular rows from a file

Hi I have a file having 1000 rows. Now I would like to remove 10 rows from it. Plz give me the script. Eg: input file like 4 1 4500.0 1 5 1 1.0 30 6 1 1.0 4500 7 1 4.0 730 7 2 500000.0 730 8 1 785460.0 45 8 7 94255.0 30 9 1 31800.0 30 9 4 36000.0 30 10 1 15000.0 30...

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I have a file content like below. "0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","","" "0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","","" "0000000","ABLNCYI","BOTH",1049,2058,"XYZ","5711002","","Y","","","","","","","",""...

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Say i have a file with X rows and Y columns....i see that in some of the rows,some columns are blank (no value set)...i wish to delete such rows....how can it be done? e.g 181766 100 2009-06-04 184443 2009-06-04 10962 151 2009-06-04 161 2009-06-04...

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I have 1000s of these rows that I would like to transpose to columns. However I would like the transpose every 3 consecutive rows to columns like below, sorted by column 3 and provide a total for each occurrences. Finally I would like a grand total of column 3. 21|FE|41|0B 50\65\78 15...

LEARN ABOUT MINIX

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)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to delete particular rows from a file

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how to delete duplicate rows in a file

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Delete repeated nos in a file

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