change string in file

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# 1  
Old 01-07-2008
change string in file

i have a file as input.



( $ are string )

i want to grep $fail in $1 list if $1 = $fail i want to print $var in $3

the output file ( if $1=$fail in the third line)



# 2  
Old 01-07-2008
Hope this is what u want

awk -F ',' -v fail=$fail -v var=$var '{if($1==fail) $3=var; print;}' filename
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