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01-04-2008
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help function
i have a file like :
File1 var1,var2,var3 var4,var5,var6 var7,var7,var8 . . . $3 : var3,var6,var8, may be null in this file so when it's nul i get the information from a function serach () which return $var i want to print it in $3 i do like that : awk -F "," '{ {first=$1; sec=$2; tro=$3 } if (tro == "") { search ( parametre) {print $1","$2","$var} } else {print $1","$2","$3 }}' $file1 > $file but i doesn't print $var in $file. any help please 
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01-04-2008
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where did you get $file1
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01-04-2008
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If I understand correctly:
Code:
% cat data
var1,var2,
var4,var5,var6
var7,var7
var7,var7,var8
% var="whatever"
% awk '!$3{$3=v}1' OFS="," FS="," v="$var" data
var1,var2,whatever
var4,var5,var6
var7,var7,whatever
var7,var7,var8
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