Left join on files using awk Post: 302320246

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Hi guys, I need AWK to merge the following 2 files: file1 1 a 1 1 2 b 2 2 3 c 3 3 4 d 4 4 file2 a a/a c/c a/c c/c a/a c/t c c/t c/c a/t g/g c/c c/t desired output: 1 a 1 1 a/a c/c a/c c/c a/a c/t 2 b 2 2 x x x x x x 3 c 3 3 c/t c/c a/t g/g c/c c/t 4 d 4 4 x x x x x x

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awk join 2 files

Hello All, file1 A1;B1;C1;D1;E1;F1;G1;H1;III1;J1 A2;B2;C2;D2;E2;F2;G2;H2;III2;J2 A3;B3;C3;D3;E3;F3;G3;H3;III3;J3 A4;B4;C4;D4;E4;F4;G4;H4;III4;J4file2 III1 ZZ1 S1 Y 1 P1 None NA III2 ZZ2 S2 Y 3 P2 None NA III3 ZZ3 S2 Y 5 ...

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Hello All; I have two files: File1: abc def pqr File2: abc,123 mno,456 def,989 pqr,787 ghj,678

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Join, merge, fill NULL the void columns of multiples files like sql "LEFT JOIN" by using awk

Hello, This post is already here but want to do this with another way Merge multiples files with multiples duplicates keys by filling "NULL" the void columns for anothers joinning files file1.csv: 1|abc 1|def 2|ghi 2|jkl 3|mno 3|pqr file2.csv: 1|123|jojo 1|NULL|bibi...

LEARN ABOUT SUNOS

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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LEARN ABOUT SUNOS

ppmtopgm