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file: test.configtiny

[dirs]
dir_output_base=./


=====

file: test.yaml

dirs:
  dir_output_base: ./


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testyc.pl (run as perl -wT testyc.pl

=====


#!/usr/bin/perl  -wT  
    use strict;
# ======================

    use YAML::Tiny;
    my $yaml = YAML::Tiny->new;
    $yaml = YAML::Tiny->read( 'test.yaml' );
    my $file1="testyc1.txt";
    print "Printing to dir: " . $yaml->[0]->{dirs}->{dir_output_base};
    print "\n";
    print "Printing to file: " . $file1;
    print "\n";

# choose one of the following lines for tainted or untainted

#    my $ut = $yaml->[0]->{dirs}->{dir_output_base};
    my $ut = $1 if ($yaml->[0]->{dirs}->{dir_output_base} =~ /(.*)/);  
    # the above line untaints anything, just for testing purpose here.
    open (my $outfile1, '>', $ut . $file1);
    print $outfile1 "hello from testyc.pl\n";
    close($outfile1);

# ======================
    use Config::Tiny;
    my $config=Config::Tiny->read('test.configtiny');
    my $file2="testyc2.txt";
    print "Printing to dir: " . $config->{dirs}->{dir_output_base};
    print "\n";
    print "Printing to file: " . $file2;
    print "\n";
    open (my $outfile2, '>', $config->{dirs}->{dir_output_base} . $file2);
    print $outfile2 "hello from testyc.pl\n";
    close($outfile2);