If this is a representative sample of your data, then none of the fields have whitespace in them, so you should split on whitespace.

  my @fields = split /\s+/, $templine;

  # do something with $fields[0], $fields[4], etc ..
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or something more legible..

  my %record;
  @record{qw/group ac g f start end time mb files l kb/}
      = split /\s+/, $templine;

  # do something with $record{group}, $record{f}, $record{end}, etc..
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Another quick note: you can condense your code a lot -- iterate over the lines of the file instead of the indices:

  use strict; # hint hint
  my $file = 'c:\somepath\somefilename';
  open (FILE, "<$file")  or die "Cannot open $file for read :$!";

  foreach (<FILE>) {
    chomp;
    if (/\bdbweb./) {
      # do stuff with $_ now
    }
  }
  close(FILE);
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