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Top Forums Shell Programming and Scripting awk should output if one input file doesnt have matching key Post 302313886 by pinnacle on Wednesday 6th of May 2009 09:14:57 PM
Old 05-06-2009
awk should output if one input file doesnt have matching key

Code:
nawk -F, 'FNR==NR{a[$1]= $3 ;next} $2 in a{print $1, 'Person',$2, a[$2]}' OFS=, filea fileb

Input filea
Quote:
Name,state,zip
david,va,25458
radha,tx,25254
vince,ny,25845
Input fileb
Quote:
id,Name
21,david
25,david
22,radha
23,surender
24,vince


output i am getting :
Quote:
output i am getting:
21,,david,25458
25,,david,25458
22,,radha,25254
24,,vince,25845

Quote:
Output wanted:
21,Person,david,25458
25,Person,david,25458
22,Person,radha,25254
23,Person,surender,
24,Person,vince,25845
 

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YAGI(1) 						      General Commands Manual							   YAGI(1)

NAME
dipole - Yagi-Uda project file. Computez Z of a dipole SYNOPSIS
yagi [ - dhps ] filename DESCRIPTION
The program dipole is one of a number of executable programs that forms part of a set of programs, collectively known as the Yagi-Uda project , which were designed for analysis and optimisation of Yagi-Uda antennas. dipole Was added to find the impedance of just a single dipole. SEE ALSO
first(1), input(1), output(1), optimise(1), first(5), input(5), output(5) and optimise(5). PLATFORMS
Only UNIX versions have been produced. I can't be bothered with brain-dead operating systems like Windoze. BUGS
Bugs should be reported to david.kirkby@onetel.net. Bugs tend actually to be fixed if they can be isolated, so it is in your interest to report them in such a way that they can be easily reproduced. If the input file is edited manually and done incorrectly, there can be unpredictable results. AUTHORS
Dr. David Kirkby G8WRB (david.kirkby@onetel.net), with help with converting to DOS from Dr. Joe Mack NA3T (mack@fcrfv2.ncifcrf.gov). Version 1.16 24th October 2000 YAGI(1)
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