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use strict;
use warnings;
...
your_path  /path/3434/some_txt   wodo_modo           41
my_path2   /path/232/wge45       wodo_modo           240
my_path    /t43/annow23x         /a/b/c/43           NA

Contents of db_hash => $VAR1 = {
          'my_path2' => {
...
                           'index' => 1
                         }
        };