If you need to create a separate record for each value then try

#!perl
use strict;
use DBI;
use Text::ParseWords 'quotewords';

open OUT,'>','output.txt' or die "$!";

my @infiles = glob("*.odf");
for my $infile (@infiles){
  open IN,'<',$infile or die "Could not open $infile : $!";
  print "Reading $infile..";
  my $count=0;
  while (<IN>){
    chomp;
    ++$count;
    my ($key,$string) = split /\s*=\s*/,$_;
    my @values = quotewords('\s+',0,$string);
    for my $i (1..@values){
      printf OUT "%-30s %-35s %-35s %5d\n",
                 $infile,$key,$values[$i-1],$i;
    }
  }
  print "$count lines read\n";
}
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