help sum columns by break in first column with awk or sed or something. Post: 302282561

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awk sum columns

can anyone help me how do i add the colums using awk seperated by character @. for eg i have 3@4 2@9 5@1 the result should be 10 14 i tried using { sum+= $1 } END { print sum } but it just gives the result 10. can anyone help me with this one thank you and best regards

2. Shell Programming and Scripting

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Want the UNIX code - I want to sum of the 1st column wherever the first 2nd and 3rd columns r equal

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6. Shell Programming and Scripting

Sum of Columns Base on First Column

Input :- Hd1;Hd2:hd3;Hd4;Hd5 X;1;2;3;4 Y;2;3;5;6 Z;3;5;6;7 X;10;11;24;16 Y;11;23;21;1 Z;10;13;14;15 X;0;1;2;0 K;0;0;0;0 K;0;0;0;0 I want Sum Data base on first column; Hd1;Hd2:hd3;Hd4;Hd5 X;11;14;29;20 Y;12;26;26;7 Z;13;18;20;22 K;0;0;0;0

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Hello everyone I am a beginner in Shell scripting. Need your help to achieve desired result. I have a file (sample format below) 001g8aX0007jxLz xxxxxxxxxxxxxxx 9213974926411 CO-COMM-133 CO-L001-DLY 7769995578239 44938 1 1 ...

8. Shell Programming and Scripting

awk to Sum columns when other column has duplicates and append one column value to another with Care

Hi Experts, Please bear with me, i need help I am learning AWk and stuck up in one issue. First point : I want to sum up column value for column 7, 9, 11,13 and column15 if rows in column 5 are duplicates.No action to be taken for rows where value in column 5 is unique. Second point : For...

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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)