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$ cat test.pl #!/pro/bin/perl ... CONDENSED,153188023,0H0020000,20150105,Ohio,2015,BA,, CONDENSED,173167740,MT007015G,20141202,Oregon,2015,BA,, $
csv (in => "test.csv", filter => { 1 => sub { $_ = $state{$_} || $_ }, 5 => sub { $_ = $state{$_} || $_ }, });