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Top Forums Shell Programming and Scripting Compare 2 columns of files awk Post 302939217 by phaethon on Monday 23rd of March 2015 11:52:23 PM
Old 03-24-2015
Compare 2 columns of files awk

hello everybody

I have 2 files the
file1 has 10 columns and the form:
Code:
...
110103 0802  1.16 38 20.16  22  1.21    8.77   0.00 20     
120103 0832 23.40 38 22.10  21 46.35  10.17  0.00 28   
120103 1413 45.00 38 24.50  21 48.85   7.89   0.00 38    
130103 1112 23.40 38 22.10  21 48.85   7.89   0.00 38  
...

The file2 has 3 columns:
Code:
...
110103 0802 4.5
120103 0832 5.5 
120103 1413 5.7
...

what I want is to compare the first 2 columns of the files and if they match, print the lines of file1 replacing field9 with the 3rd field of file2. If they dont match write "NA" at the field9

desired output:
Code:
110103 0802  1.16 38 20.16  22  1.21    8.77  4.5 20   
120103 0832 23.40 38 22.10  21 46.35  10.17  5.5 28  
120103 1413 45.00 38 24.50  21 48.85   7.89   5.7 38  
130103 1112 23.40 38 22.10  21 48.85   7.89   NA 38

Thank you in advance for yr time
 

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PAPS(1) 						      General Commands Manual							   PAPS(1)

NAME
paps - UTF-8 to PostScript converter using Pango SYNOPSIS
paps [options] files... DESCRIPTION
paps reads a UTF-8 encoded file and generates a PostScript language rendering of the file. The rendering is done by creating outline curves through the pango ft2 backend. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. --landscape Landscape output. Default is portrait. --columns=cl Number of columns output. Default is 1. --font=desc Set the font description. Default is Monospace 12. --rtl Do rtl layout. --paper ps Choose paper size. Known paper sizes are legal, letter, a4. Default is A4. --bottom-margin=bm Set bottom margin in postscript points (1/72 inch). Default is 36. --top-margin=tm Set top margin. Default is 36. --left-margin=lm Set left margin. Default is 36. --right-margin=rm Set right margin. Default is 36. --help Show summary of options. --header Draw page header for each page. --markup Interpret the text as pango markup. --encoding=ENCODING Assume the documentation encoding is ENCODING. --lpi Set the lines per inch. This determines the line spacing. --cpi Set the characters per inch. This is an alternative method of specifying the font size. --stretch-chars Indicates that characters should be stretched in the y-direction to fill up their vertical space. This is similar to the texttops behaviour. AUTHOR
paps was written by Dov Grobgeld <dov.grobgeld@gmail.com>. This manual page was written by Lior Kaplan <kaplan@debian.org>, for the Debian project (but may be used by others). April 17, 2006 PAPS(1)
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