Put simply, you'll have to read in the file, process it, and then
save it back out.
my( $filename, $arg1, $arg2 ) = @ARGV;
open IN, '<', $filename or die;
my @contents = <IN>;
close IN;
@contents = grep !/^$arg1,$arg2,/, @contents;
open OUT, '>', $filename or die;
print OUT @contents;
close OUT;
This will force the first and second field in the file
to match exactly the first and second
arguments that you pass in.
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