Thanks a lot for point me to that line in Config::Tiny.
I was under the impression that a file was trusted. But I was wrong. The follow direct read from a file also produces a taint error.
I guess I will have to try next from a database to check my assumptions on that front.
#!/usr/bin/perl -wT
open (my $infile, '<', 'testyfin.txt');
my $ofile_name=<$infile>;
my $file3=$ofile_name;
print "\n";
print "Printing to file: " . $file3;
print "\n";
open (my $outfile3, '>', $file3);
print $outfile3 "hello from testyc.pl\n";
close($outfile3);
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